Mustapha Bozdemir, while renovating his inherited house in Turkey, came across a massive subterranean tunnel system with cave-like rooms underneath the house. You don’t come across that kind of thing every day.
Further findings showed that Bozdemir had found an ancient Derinkuyu underground city in Turkey carved from the rock in Cappadocia thousands of years ago. It was an underground city that housed over 20,000 men, women and children. The underground city had hidden entrances, air ventilation shafts, wells, connective passages, shops, tombs, schools, and much more.
This is what the city would have looked like when it was functioning:
octoberspirit 