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 Heartwarming photos of Party leader Nguyen Phu Trong with compatriots and soldiers nationwide Hoa Lo Prison Relic Site’s exhibition marks anniversary of War Invalids and Martyrs Day Folk culture re-imagined through Gen-Z’s fresh coat of paints Delicious mulberry recipes