Tam Thanh Cave, a spiritual and scenic spot of Lang Son Friday, December 17, 2021 | 23:22:00 (VOVWORLD) - Tam Thanh is the biggest cave in the northern province of Lang Son city. The 400m long cave houses Tam Thanh Pagoda which dates back hundreds of years. Tag VOV VOVworld Tam thanh cave Lang Son province Tam thanh pagoda Feedback Submit Others Hanoi coated in romantic purple with crape myrtle flowers “Bird Islet Ecological Area” creates a green oasis in Binh Dinh Tourists dazzled by purple flowers on Son Tra Peninsula A glance at Nine Dynastic Urns inscribed on UNESCO Memory of World Register