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 Mang Thit ceramic village: the “Kingdom of Red Brick“ Preserving traditional musical instruments of ethnic groups in Cao Bang Clay pot chicken – exquisite delicacy of Vietnam’s northwestern region Exploring sandy Sa Huynh, the most beautiful beach in Quang Ngai