Bizarre Archaeological Finds That Still Baffle Scientists Today

Stone Age Tunnels

There is a half-mile of unbelievable underground tunnels that network into one another in Bavaria. A lot of these tunnels date back 12,000 years, and some scientists believe that these tunnels were a way for man to hide from predators when in exposed environments. Some of these tunnels have storage rooms, personal chambers, and even weirdly modern plumbing systems. 

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