This underground city has room for 20,000 people
The Turkish city of Derinkuyu has a population of around 10,000. But there is a construction of tunnels and stairs hidden under the earth, which offers space for twice as many people.
This underground city has room for 20,000 people
The Turkish city of Derinkuyu has a population of around 10,000. But there is a construction of tunnels and stairs hidden under the earth, which offers space for twice as many people.