It's the Underground man!

I have always been a big fan of "underground" parties and scene's. What comes to mind for me are rave's in old wharehouses.

Well these people may be the original underground partiers and culture. This also speaks to home security, not really a new subject is it?

History

First built in the soft volcanic rock of the Cappadocia region by the Phrygians in the 8th–7th centuries B.C according to the Turkish Department of Culture,^[2] the underground city at Derinkuyu was enlarged in the Byzantine era. The city could be closed from inside with large stone doors. With storerooms and wells that made long stays possible, the city had air shafts which are up to 100 feet (30 m) deep. Derinkuyu is the largest excavated underground city in Turkey. The complex has a total 11 floors, though many floors have not been excavated. Each floor could be closed off separately. The city was connected with other underground cities through miles of tunnels. The city could accommodate between 3,000 and 50,000 people. more