Underground city of DERINKUYU
At a depth of more than 250 feet with a capacity of up to 20,000 people, this multi-leveled city contained everything an entire population would need to survive a history riddled with invasions.
At a depth of more than 250 feet with a capacity of up to 20,000 people, this multi-leveled city contained everything an entire population would need to survive a history riddled with invasions.
