Caves conjure up images of dangling bats, stalagmites and stalagtites rising from floors and ceilings and dark holes that seem to to go on forever.
Here are the twelve longest caves in the world.
(thanks Pavle)
Caves conjure up images of dangling bats, stalagmites and stalagtites rising from floors and ceilings and dark holes that seem to to go on forever.
Here are the twelve longest caves in the world.
(thanks Pavle)