The exact date of construction of these unique structures none of the scientists could not identify, archaeologists are inclined to period 16-12 centuries BC the Underground cities of Cappadocia were used for the needs of the army of Alexander the great, here, I found shelter from the Hittites Thracian soldiers, Christians from Roman troops and residents of nearby areas were saved from the invasion of the Arabs.

Cities are not built on earth and under the earth. There are about two hundred and each one is unique. To descend into the city through a narrow tunnel. Each entry was carefully masked and closed with great boulders.

Underground cities are dwelling below ground with many rooms, bedrooms, kitchens, food storage, as well as schools, chapels, churches. There are rooms with a number of columns, which divide it into several parts. The link for them were long corridors and tunnels. The city has a lower floor, accessible by staircase, carved from the rock. Below that there are ventilation ducts supplying air to the city that border groundwaters, which drew water from the well.

The city began to be explored in the 30-th years of 20 century. They have names Ozkonak, Mazeguy, Tatlarin and others. Now for tourists opened only two cities - Derinkuyu and Kaymakli. During excavations found a large number of subjects of which relate to different time periods. The calculations of scientists showed that the underground cities of Cappadocia could accommodate about 50 thousand people and livestock. Animals were kept in special pens with feeders.