터키 지하도시 테린쿠유 Turkey derinkuyu
Carved from the living rock, Derinkuyu is one of five inter-connected underground complexes with a total estimated capacity of 100,000 people. The historical region of Cappadocia where Derinkuyu is situated, contains several historical underground cities, carved out of a unique geological formation, many of which were largely re-used by early Christians as hiding places. Over 200 underground ci..