Seven Underworld Wonders Of The Ancient World Pictures
Cool And Amazing Places December 6th, 2008
What motivates humankind to burrow deep into the Earth? From London to Paris, Budapest to Moscow, the USA to Australia, here are seven of the most amazing examples in the world. Some were built for military defense or shelter, many are abandoned while others thrive. These amazing images feature tunnels, caverns, labyrinths from seven underground location around the world
