tu lan cave, phong nha ke bang

Exploring Charms of Tu Lan Cave System Vietnam

Tu Lan cave system was discovered in 2009. The cave system now consists of eight caves, and still counting more, either wet, dry, small or big-scale, lying 70km northwest of the town of Phong Nha, Quang Binh province near Vietnam’s border with Laos. Tu Lan cave system spreads through four valleys covered with pristine forests[…]