Thailand's Tunnels to Inner Earth

The downstream entrance of Tham Lod cave in northern Thailand. This is just one of many subterranean river and cave-systems in Asia, and fortunately offers guided tours through these mysterious caverns. https://www.createspace.com/6159364

Robert Sepehr is an author, producer and anthropologist specializing in linguistics, archeology, and paleobiology (archeogenetics). http://amazon.com/Robert-Sepehr/e/B00XTAB1YC/

Видео Thailand's Tunnels to Inner Earth канала Robert Sepehr