Derinkuyu Underground City: 18-level underground city with 20,000 capacity

Derinkuyu Underground City: 18-level underground city with 20,000 capacity. Derinkuyu Underground City extends 18 stories and 280 ft (85m) deep into the earth The city covers 4 square km (1.5 square miles) hidden beneath the modern city of Derinkuyu Underground City in Turkey Name Derinkuyu Underground City translates to 'deep' in Turkish

Derinkuyu: 18-level underground city with 20,000 capacity - this ancient subterranean metropolis extends 280 ft (85m) deep beneath modern Turkey! It could house 20,000 people plus livestock and food stores. With ventilation shafts throughout, this was a functioning underground city. Over 200 underground cities dot the Cappadocia region 🏛️

Key Facts

• Derinkuyu Underground City extends 18 stories and 280 ft (85m) deep into the earth
• The city covers 4 square km (1.5 square miles) hidden beneath the modern city of Derinkuyu Underground City in Turkey
• Name Derinkuyu Underground City translates to 'deep' in Turkish
• It could accommodate approximately 20,000 people plus livestock
• The city features 52 large air ventilation shafts extending 180 ft (55m) deep
• There are approximately 15,000 smaller air shafts (about 10 cm wide) for ventilation
• 1,000 lb rolling stone doors could seal each level separately
• No evidence of cave-ins throughout all 18 levels
• The site maintains a constant temperature of 55°F (13°C)
• Over 200 underground cities exist in the Cappadocia region

Related site: Derinkuyu Underground City — view location, images, and history on the Ancient Nerds map.

Source: The Mind-Blowing Lost Ancient (Deep-Underground) CITY of Derinkuyu by Bright Insight