Professional cave explorers discover hidden 220-FOOT-DEEP cavern
http://youtu.be/eXNXsFV_a_0 Two professional cavers discovered a breath-taking - and claustrophobic - 220-foot-deep secret cavern hidden by dense forest and rappelled to the bottom. Twins Eddy and James Robinson, 27, set off on the hour-long hike after being tipped off to the cave by a friend. The footage shows the pit opening up into a massive cavern with wide walls and an incredibly high ceiling, showing only a pinprick of light from the entrance. The bottom of the cave that the group reached isn't the end of it - the cave leads to further caverns that the group were unable to reach. The claustrophobic footage shows Eddy attempting to explore the cave further, crawling through a tiny passage that even the relatively thin man is unable to squeeze through. The twins are professionals, but...