Underground Cities

Until now, it have been determined about 40 underground cities and today just six of these are open for visit. Those cities which are guessed to date back to the Bronze Age, was completed in the 8th and 7th century BC and used to be a settlement mostly in Byzantine period. In this period, increasing invasions and external threats forced local residents to built underground cities for protection and religious purposes.
Stout rolling-stone doors prevented invaders from entering. Deep wells provided water. Wine presses, oil storage, livestock pens, cooking-places and elaborate churches were carved out of the rock so that the inhabitants could live for months underground until it was safe anymore to emerge and return to their ground-level villages.
Although Cappadocia has dozens of multi-level underground cities, the largest and most elaborate excavated cities are at Kaymaklý and Derinkuyu. Those troglodyte cities are two of the best examples of habitable underground structures.
Scholars believe Derinkuyu was the hiding place for the first Christians who were escaping from the persecution of the Roman empire…