Massive Ancient Underground City Once Housed 20,000 People
More About Life in Derinkuyu What was life like in Derinkuyu? Though not ideal for the claustrophobic, these ancient cultures tried to make life as safe and comfortable as possible in the underground city. The people who designed Derinkuyu equipped the entrances with round stone doors weighing up to 1,000 pounds to ensure that invaders could not gain entry into the underground city.










































































