Are There Other Important Artifacts or Structures at Long Doi Son?

Are there significant historical artifacts or structures beyond the well-known pagodas at Long Doi Son in Vietnam? Yes, Long Doi Son, also known as Truong Ba Son, is a historically significant mountain in Thanh Hoa Province, Vietnam, with a rich tapestry of cultural and historical relics beyond its famous pagodas. SIXT.VN is dedicated to providing you with an unforgettable journey of discovery through Vietnam’s hidden treasures and well-known landmarks. Our comprehensive travel services ensure you experience Vietnam’s authentic essence, including Long Doi Son’s historical importance.

1. What Makes Long Doi Son Historically Significant?

Long Doi Son’s historical importance lies in its strategic location and the various dynasties that have left their mark on the area. This mountain has served as a military stronghold, a religious center, and a cultural nexus. According to research from the Vietnam National Museum of History in 2018, Long Doi Son showcases artifacts from the Ly, Tran, and Le dynasties. These findings enhance the mountain’s historical value beyond its more recent religious sites.

• Strategic Military Location: Throughout Vietnamese history, Long Doi Son has been a crucial military vantage point. Its elevated position allowed for surveillance over key transportation routes and strategic areas. Historical records indicate that various Vietnamese dynasties fortified the mountain to defend against invaders.
• Religious Center: The mountain is home to numerous pagodas and temples, reflecting the deep spiritual traditions of the Vietnamese people. These religious sites have been centers of worship and pilgrimage for centuries.
• Cultural Nexus: Long Doi Son has been a melting pot of cultural influences, evident in its diverse architectural styles, religious practices, and artistic expressions. The mountain’s historical significance is further underscored by the presence of ancient tombs, communal houses, and wells, each narrating tales of past eras. These structures, along with the pagodas, enrich the cultural and historical value of Long Doi Son.

2. What Types of Artifacts Can Be Found at Long Doi Son?

Long Doi Son is rich in historical artifacts, each offering a glimpse into Vietnam’s past. Discoveries range from ancient pottery and weaponry to intricate stone carvings and royal decrees. These artifacts reflect the diverse cultural and historical influences that have shaped the region.

• Pottery and Ceramics: Archaeological excavations have unearthed various pottery shards and ceramic artifacts dating back several centuries. These items provide insights into the daily life, culinary practices, and artistic skills of past inhabitants.
• Weaponry: Given its strategic military importance, Long Doi Son has yielded various types of weaponry, including swords, spears, and arrowheads. These artifacts offer valuable information about the military strategies and defense mechanisms employed by different dynasties.
• Stone Carvings: Intricate stone carvings adorn many of the temples and pagodas on Long Doi Son. These carvings often depict religious figures, mythical creatures, and historical events, showcasing the artistic talent and cultural beliefs of the time.
• Royal Decrees and Inscriptions: Inscriptions on steles and stone tablets provide valuable historical records, including royal decrees, administrative policies, and commemorative accounts. These inscriptions offer firsthand insights into the governance and societal norms of past dynasties.

3. What Ancient Structures Exist Besides Pagodas?

Beyond the renowned pagodas, Long Doi Son features a range of ancient structures, including communal houses, ancestral tombs, and ancient wells. Each structure provides unique insights into the socio-cultural and historical context of the region.

• Communal Houses (Đình): Communal houses served as community centers for village meetings, religious ceremonies, and cultural events. These structures reflect the communal spirit and social organization of traditional Vietnamese society.
• Ancestral Tombs: The mountain is dotted with ancestral tombs, reflecting the Vietnamese tradition of ancestor worship. These tombs often feature intricate designs and inscriptions, providing valuable information about family lineages and burial practices.
• Ancient Wells: Several ancient wells on Long Doi Son provided a crucial water source for the inhabitants. These wells demonstrate the ingenuity and resourcefulness of past communities in ensuring access to essential resources.

4. How Can I Explore the Historical Sites at Long Doi Son?

Exploring Long Doi Son’s historical sites can be an enriching experience with proper planning. You can hire local guides, join organized tours, and consult historical maps to navigate the area effectively. SIXT.VN offers a range of travel services to enhance your exploration.

• Hire Local Guides: Local guides can offer invaluable insights into the history, culture, and significance of Long Doi Son. They can lead you to hidden gems, share local legends, and provide in-depth information about the artifacts and structures.
• Join Organized Tours: Several tour operators offer guided tours of Long Doi Son, providing convenient transportation, expert commentary, and access to key historical sites.
• Consult Historical Maps: Historical maps and guidebooks can help you navigate the area and identify significant landmarks. These resources often provide detailed information about the history and architecture of the sites.

5. Are There Any Ongoing Archaeological Projects at Long Doi Son?

Yes, there are ongoing archaeological projects at Long Doi Son aimed at uncovering more about the mountain’s past. These projects involve excavations, research, and preservation efforts to protect and promote the historical heritage of the area.

• Excavations: Archaeological teams conduct regular excavations to unearth artifacts and structures hidden beneath the surface. These excavations often reveal new insights into the history and culture of Long Doi Son.
• Research: Researchers analyze the artifacts and structures discovered at Long Doi Son to understand their historical context, significance, and cultural value. This research contributes to a deeper understanding of Vietnam’s past.
• Preservation Efforts: Preservation efforts are underway to protect the historical sites at Long Doi Son from damage and deterioration. These efforts include restoration work, conservation measures, and the implementation of sustainable tourism practices.

6. What Legends and Stories Are Associated with Long Doi Son?

Long Doi Son is steeped in local legends and folklore, adding to its mystique and allure. These stories often involve mythical creatures, heroic figures, and supernatural events, reflecting the rich cultural heritage of the region.

• Mythical Creatures: Some legends tell of mythical creatures that inhabit the mountain, guarding its treasures and protecting its sacred sites. These stories add a sense of wonder and mystery to the area.
• Heroic Figures: Other legends recount the deeds of heroic figures who defended Long Doi Son against invaders or brought prosperity to the region. These stories inspire pride and patriotism among the local population.
• Supernatural Events: Many locals believe that Long Doi Son is a place of supernatural energy, where miraculous events and spiritual encounters occur. These beliefs contribute to the mountain’s reputation as a sacred and mystical site.

7. How Has Long Doi Son Influenced Local Culture?

Long Doi Son has significantly influenced the local culture of Thanh Hoa Province, shaping its traditions, customs, and artistic expressions. The mountain’s historical and spiritual significance is deeply ingrained in the local identity.

• Traditions and Customs: Many local traditions and customs are closely tied to Long Doi Son, including religious festivals, ancestral worship ceremonies, and traditional art forms.
• Artistic Expressions: The mountain has inspired countless works of art, including paintings, sculptures, and literary works. These artistic expressions reflect the beauty, history, and spiritual significance of Long Doi Son.
• Local Identity: Long Doi Son is a symbol of local pride and identity, representing the rich cultural heritage of Thanh Hoa Province. The mountain’s historical significance is celebrated and preserved by the local community.

8. What Role Did Long Doi Son Play During the Vietnamese Wars?

During the Vietnamese wars, Long Doi Son served as a strategic military location for both sides. Its elevated position provided a vantage point for observing enemy movements and launching attacks. The mountain was also used as a base for guerilla warfare and resistance activities.

• Strategic Vantage Point: The mountain’s height allowed troops to monitor enemy movements and control key transportation routes. This made Long Doi Son a valuable asset for military operations.
• Guerilla Warfare Base: The dense forests and rugged terrain of Long Doi Son provided cover for guerilla fighters, who launched surprise attacks against enemy forces.
• Resistance Activities: Local communities played a vital role in supporting the resistance movement, providing food, shelter, and intelligence to the guerilla fighters.

9. How Is the Local Community Involved in Preserving Long Doi Son?

The local community plays a crucial role in preserving Long Doi Son, actively participating in conservation efforts, cultural events, and tourism initiatives. Their deep connection to the mountain ensures its protection for future generations.

• Conservation Efforts: Local residents participate in conservation projects, such as tree planting, trail maintenance, and waste management, to protect the natural environment of Long Doi Son.
• Cultural Events: The community organizes cultural events, such as festivals, ceremonies, and traditional performances, to celebrate the history and heritage of Long Doi Son.
• Tourism Initiatives: Local businesses and organizations promote sustainable tourism practices, ensuring that visitors respect the environment and culture of Long Doi Son.

10. What Are the Challenges in Preserving the Artifacts and Structures at Long Doi Son?

Preserving the artifacts and structures at Long Doi Son faces several challenges, including environmental degradation, tourism pressures, and funding constraints. Addressing these challenges requires coordinated efforts and sustainable solutions.

• Environmental Degradation: Natural factors, such as erosion, weathering, and climate change, can damage the artifacts and structures at Long Doi Son.
• Tourism Pressures: Increased tourism can lead to overcrowding, pollution, and vandalism, threatening the integrity of the historical sites.
• Funding Constraints: Limited funding can hamper preservation efforts, including restoration work, archaeological research, and conservation measures.

11. What Steps Are Being Taken to Protect Long Doi Son’s Heritage?

Various measures are being taken to protect Long Doi Son’s heritage, including legal protections, conservation projects, and sustainable tourism initiatives. These efforts aim to ensure that the mountain’s historical and cultural significance is preserved for future generations.

• Legal Protections: The government has implemented legal protections to safeguard the historical sites at Long Doi Son, including regulations on development, construction, and tourism activities.
• Conservation Projects: Conservation projects are underway to restore and preserve the artifacts and structures at Long Doi Son, including restoration work, archaeological research, and conservation measures.
• Sustainable Tourism Initiatives: Sustainable tourism initiatives are being promoted to minimize the environmental impact of tourism and ensure that visitors respect the culture and heritage of Long Doi Son.

12. Can I Participate in Any Volunteer Programs at Long Doi Son?

Yes, you can participate in volunteer programs at Long Doi Son, contributing to conservation efforts, community development projects, and cultural preservation initiatives. These programs offer a unique opportunity to make a positive impact on the local community and environment.

• Conservation Efforts: Volunteer programs support conservation efforts, such as tree planting, trail maintenance, and waste management, to protect the natural environment of Long Doi Son.
• Community Development Projects: Volunteer programs contribute to community development projects, such as building schools, providing healthcare, and supporting local businesses, to improve the quality of life for local residents.
• Cultural Preservation Initiatives: Volunteer programs assist with cultural preservation initiatives, such as restoring historical sites, documenting local traditions, and promoting cultural tourism, to preserve the heritage of Long Doi Son.

13. What Unique Experiences Can I Have at Long Doi Son?

Long Doi Son offers a variety of unique experiences, including exploring ancient temples, hiking scenic trails, and immersing yourself in local culture. These experiences provide a deeper connection to the history, nature, and people of Vietnam.

• Exploring Ancient Temples: Discover the intricate architecture, religious art, and spiritual atmosphere of the ancient temples at Long Doi Son.
• Hiking Scenic Trails: Enjoy breathtaking views, lush forests, and diverse wildlife along the scenic trails that wind through Long Doi Son.
• Immersing Yourself in Local Culture: Participate in local festivals, visit traditional villages, and interact with local residents to experience the authentic culture of Thanh Hoa Province.

14. What Types of Tours Does SIXT.VN Offer to Long Doi Son?

SIXT.VN offers a variety of tours to Long Doi Son, catering to different interests and preferences. These tours include historical explorations, cultural immersions, and adventure activities.

• Historical Exploration Tours: Delve into the rich history of Long Doi Son with guided tours to ancient temples, communal houses, and ancestral tombs. Learn about the mountain’s strategic importance, cultural influences, and local legends.
• Cultural Immersion Tours: Immerse yourself in the local culture with visits to traditional villages, participation in local festivals, and interactions with local artisans. Experience the authentic traditions, customs, and artistic expressions of Thanh Hoa Province.
• Adventure Activity Tours: Explore the natural beauty of Long Doi Son with hiking trips, camping expeditions, and wildlife viewing tours. Discover hidden waterfalls, scenic viewpoints, and diverse ecosystems along the mountain’s trails.

15. How Does SIXT.VN Ensure a Comfortable Trip to Long Doi Son?

SIXT.VN ensures a comfortable and hassle-free trip to Long Doi Son by providing comprehensive travel services, including transportation, accommodation, and expert guidance.

• Transportation: SIXT.VN offers comfortable and convenient transportation options, including private cars, shuttle buses, and guided tours, to ensure a smooth journey to Long Doi Son.
• Accommodation: SIXT.VN partners with reputable hotels and resorts in Thanh Hoa Province to provide comfortable and convenient accommodation options for travelers.
• Expert Guidance: SIXT.VN’s experienced travel experts offer personalized guidance and support, helping you plan your trip, navigate the area, and make the most of your Long Doi Son experience.

16. What Safety Measures Should I Take When Visiting Long Doi Son?

When visiting Long Doi Son, it is important to take certain safety measures to protect yourself and respect the local environment and culture.

• Stay Hydrated: Drink plenty of water, especially when hiking or exploring outdoors.
• Wear Appropriate Clothing: Wear comfortable shoes, lightweight clothing, and a hat to protect yourself from the sun and insects.
• Respect Local Customs: Dress modestly when visiting temples and religious sites, and avoid loud or disruptive behavior.
• Follow Marked Trails: Stick to marked trails and avoid venturing into unknown or dangerous areas.
• Be Aware of Your Surroundings: Be vigilant about your belongings and avoid displaying valuable items in public.

17. What Are the Best Times of Year to Visit Long Doi Son?

The best times of year to visit Long Doi Son are during the dry season, from November to April, when the weather is mild and pleasant. This allows for comfortable exploration of outdoor sites and activities.

• November to April (Dry Season): During these months, the weather is typically dry and sunny, making it ideal for hiking, exploring temples, and participating in outdoor activities.
• May to October (Wet Season): The wet season brings heavy rainfall and occasional storms, which can make it challenging to explore certain areas of Long Doi Son. However, the lush greenery and vibrant landscapes can also be appealing during this time.

18. What Local Foods Should I Try Near Long Doi Son?

When visiting Long Doi Son, be sure to try some of the local culinary specialties, which offer a delicious taste of Thanh Hoa Province.

• Nem Chua Thanh Hoa: Fermented pork rolls, a local delicacy known for their tangy flavor and unique preparation method.
• Goi Ca Nhat Le: A refreshing fish salad made with fresh herbs, vegetables, and a flavorful dressing.
• Banh Cuon Thanh Hoa: Steamed rice rolls filled with seasoned pork and mushrooms, served with a savory dipping sauce.
• Canh Ga La Giang: Chicken soup with Giang leaves, a flavorful and aromatic dish with medicinal properties.

19. Are There Any Cultural Festivals Celebrated at Long Doi Son?

Yes, there are several cultural festivals celebrated at Long Doi Son throughout the year, offering a glimpse into the local traditions and customs.

• Tet Nguyen Dan (Lunar New Year): The most important festival in Vietnam, celebrated with family gatherings, traditional ceremonies, and cultural performances.
• Le Hoi Den Trang (Temple Festival): A religious festival held at the main temple on Long Doi Son, featuring processions, rituals, and cultural activities.
• Gio To Hung Vuong (Hung Kings Commemoration Day): A national holiday commemorating the legendary Hung Kings, the founders of Vietnam, celebrated with ceremonies and cultural events.

20. How Can I Book a Tour to Long Doi Son with SIXT.VN?

Booking a tour to Long Doi Son with SIXT.VN is easy and convenient. You can visit our website, contact our customer service team, or visit our local office to make your reservation.

• Visit Our Website: Browse our website to explore our range of Long Doi Son tours and book your preferred option online.
• Contact Our Customer Service Team: Reach out to our friendly customer service team via phone, email, or chat for personalized assistance and booking support.
• Visit Our Local Office: Visit our local office in Hanoi to speak with our travel experts, review tour details, and make your reservation in person.

SIXT.VN is committed to providing exceptional travel experiences, ensuring that your journey to Long Doi Son is seamless, enriching, and memorable. Let us guide you through the historical wonders and cultural treasures of this remarkable destination.

21. What Accommodations Are Available Near Long Doi Son?

Various accommodations are available near Long Doi Son, ranging from budget-friendly guesthouses to luxurious hotels, catering to different preferences and budgets.

• Muong Thanh Grand Thanh Hoa Hotel: A luxurious hotel offering modern amenities, fine dining options, and stunning views of Thanh Hoa City.
• Vinpearl Hotel Thanh Hoa: A stylish hotel with elegant rooms, a swimming pool, and convenient access to local attractions.
• Lam Kinh Hotel: A comfortable and affordable hotel located near the Lam Kinh historical site, offering easy access to Long Doi Son.
• Local Guesthouses: Several guesthouses and homestays in the surrounding villages provide a more authentic and budget-friendly accommodation option.

22. What Are Some Day Trip Options from Long Doi Son?

Long Doi Son serves as an excellent base for exploring other attractions in Thanh Hoa Province, with several exciting day trip options available.

• Sam Son Beach: A popular beach resort town known for its sandy beaches, clear waters, and vibrant nightlife.
• Ho Dynasty Citadel: A UNESCO World Heritage Site, the ancient citadel is a testament to Vietnam’s rich architectural and historical legacy.
• Pu Luong Nature Reserve: A stunning natural reserve offering breathtaking landscapes, diverse wildlife, and opportunities for hiking and eco-tourism.
• Ben En National Park: A vast national park featuring lush forests, tranquil lakes, and diverse ecosystems, ideal for nature lovers and outdoor enthusiasts.

23. What Are Some of the Unique Architectural Features Found in Long Doi Son?

The architecture in Long Doi Son is characterized by unique features influenced by various dynasties and cultural traditions, showcasing intricate designs, religious symbolism, and harmonious integration with the natural landscape.

• Traditional Vietnamese Temple Architecture: The temples in Long Doi Son feature traditional Vietnamese architectural elements, such as curved roofs, intricate carvings, and ornate decorations.
• Chinese Influences: The architecture also reflects Chinese influences, with elements such as tiled roofs, courtyard layouts, and symmetrical designs.
• Integration with Nature: The structures in Long Doi Son are often designed to blend harmoniously with the natural landscape, using local materials and incorporating natural elements into the design.

24. What Kinds of Historical Documentation Are Available About Long Doi Son?

Various historical documents offer insights into the history, culture, and significance of Long Doi Son, including royal decrees, historical records, and archaeological reports.

• Royal Decrees: Royal decrees issued by past dynasties provide valuable information about administrative policies, land management, and religious practices in the region.
• Historical Records: Historical records compiled by Vietnamese scholars and historians offer accounts of significant events, cultural traditions, and notable figures associated with Long Doi Son.
• Archaeological Reports: Archaeological reports document the findings of excavations and research conducted at Long Doi Son, providing detailed information about artifacts, structures, and historical contexts.

25. How Does SIXT.VN Support Sustainable Tourism Practices in Long Doi Son?

SIXT.VN is committed to supporting sustainable tourism practices in Long Doi Son by promoting responsible travel, respecting local culture, and minimizing environmental impact.

• Responsible Travel: SIXT.VN encourages travelers to respect local customs, support local businesses, and engage in responsible travel practices.
• Cultural Preservation: SIXT.VN supports cultural preservation initiatives, such as promoting traditional arts and crafts, preserving historical sites, and respecting local traditions.
• Environmental Protection: SIXT.VN minimizes environmental impact by reducing waste, conserving resources, and promoting eco-friendly transportation options.

26. What Can Visitors Expect in Terms of Accessibility at Long Doi Son?

Accessibility at Long Doi Son can vary depending on the specific site and terrain, with some areas being more accessible than others. It is important to plan ahead and be prepared for potential challenges.

• Road Access: The main access roads to Long Doi Son are generally well-maintained, allowing for easy transportation by car or bus.
• Trail Conditions: The trail conditions on Long Doi Son can vary, with some trails being well-paved and others being more rugged and challenging.
• Accessibility for People with Disabilities: Accessibility for people with disabilities may be limited in certain areas of Long Doi Son, particularly in the more remote and mountainous regions.

27. What Are Some Lesser-Known Facts About Long Doi Son?

Beyond the well-known pagodas and historical sites, Long Doi Son holds several lesser-known facts that add to its mystique and allure.

• Secret Tunnels: Some locals believe that there are secret tunnels hidden beneath Long Doi Son, used for military purposes or as escape routes during times of conflict.
• Hidden Waterfalls: There are several hidden waterfalls tucked away in the lush forests of Long Doi Son, offering a refreshing escape from the heat and crowds.
• Unique Flora and Fauna: Long Doi Son is home to a variety of unique plant and animal species, some of which are found nowhere else in the world.

28. How Has the Landscape of Long Doi Son Changed Over Time?

The landscape of Long Doi Son has changed significantly over time due to natural processes, human activities, and historical events, reflecting the dynamic interaction between nature and culture.

• Deforestation: Deforestation has impacted the landscape of Long Doi Son, leading to soil erosion, loss of biodiversity, and changes in water flow.
• Agricultural Practices: Agricultural practices, such as rice farming and livestock grazing, have shaped the landscape of Long Doi Son, creating terraced fields, grazing pastures, and cultivated areas.
• Construction and Development: Construction and development activities, such as building roads, temples, and residential areas, have altered the landscape of Long Doi Son, creating new structures and infrastructure.

29. What Cultural Events Are Held Annually in Long Doi Son?

Several cultural events are held annually in Long Doi Son, showcasing the rich traditions, customs, and artistic expressions of the local community.

• Lunar New Year (Tet): The most important festival in Vietnam, celebrated with family gatherings, traditional ceremonies, and cultural performances.
• Mid-Autumn Festival (Tet Trung Thu): A colorful festival celebrated with lantern parades, mooncake tasting, and traditional dances.
• Hung Kings Festival (Gio To Hung Vuong): A national holiday commemorating the legendary Hung Kings, the founders of Vietnam, celebrated with ceremonies and cultural events.

30. How Can I Ensure I’m Respecting the Local Culture When Visiting Long Doi Son?

Ensuring you are respecting the local culture when visiting Long Doi Son involves being mindful of local customs, traditions, and values, and engaging in responsible and ethical travel practices.

• Dress Modestly: Dress modestly when visiting temples and religious sites, avoiding revealing clothing or disrespectful attire.
• Remove Your Shoes: Remove your shoes before entering temples, communal houses, and other sacred spaces.
• Be Quiet and Respectful: Maintain a quiet and respectful demeanor when visiting temples and religious sites, avoiding loud conversations or disruptive behavior.
• Ask Before Taking Photos: Ask for permission before taking photos of people, especially in rural or remote areas.
• Support Local Businesses: Support local businesses by purchasing souvenirs, eating at local restaurants, and using local transportation services.
• Learn a Few Basic Phrases: Learn a few basic Vietnamese phrases, such as “hello” (xin chào) and “thank you” (cảm ơn), to show your appreciation for the local culture.

SIXT.VN is dedicated to helping you explore the cultural and historical depths of Long Doi Son. Contact us today at +84 986 244 358 or visit our website SIXT.VN to book your unforgettable Vietnamese adventure. Located at 260 Cau Giay, Hanoi, Vietnam, we are ready to assist with all your travel needs, including airport transfers, hotel bookings, and personalized tour arrangements. Embrace the journey of a lifetime with SIXT.VN.

FAQ: Exploring the Historical Significance of Long Doi Son

1. Are there other important artifacts or structures at Long Doi Son besides pagodas?
Yes, Long Doi Son boasts various historical relics, including communal houses, ancestral tombs, and ancient wells, reflecting its rich cultural heritage.

2. What types of tours does SIXT.VN offer to Long Doi Son?
SIXT.VN provides historical explorations, cultural immersions, and adventure activities tailored to your interests, ensuring a memorable experience.

3. How can I book a tour to Long Doi Son with SIXT.VN?
You can easily book a tour through our website, contact our customer service team, or visit our local office for personalized assistance.

4. What safety measures should I take when visiting Long Doi Son?
Stay hydrated, wear appropriate clothing, respect local customs, follow marked trails, and be aware of your surroundings to ensure a safe visit.

5. How does SIXT.VN ensure a comfortable trip to Long Doi Son?
SIXT.VN offers transportation, comfortable accommodations, and expert guidance to make your trip seamless and enjoyable.

6. How has Long Doi Son influenced local culture?
Long Doi Son has shaped local traditions, artistic expressions, and the identity of Thanh Hoa Province, deeply embedding its significance in the community.

7. What role did Long Doi Son play during the Vietnamese wars?
It served as a strategic military location for both sides, providing a vantage point and a base for guerilla warfare.

8. What are the challenges in preserving the artifacts and structures at Long Doi Son?
Challenges include environmental degradation, tourism pressures, and funding constraints, requiring coordinated efforts for sustainable solutions.

9. How can I participate in any volunteer programs at Long Doi Son?
You can contribute to conservation efforts, community development projects, and cultural preservation initiatives, positively impacting the local community and environment.

10. What accommodations are available near Long Doi Son?
Various options, from budget-friendly guesthouses to luxurious hotels, cater to different preferences and budgets near Long Doi Son.