My picture of the day The Derinkuyu underground city Share on Facebook Tweet on Twitter *My Picture of the day* - The Derinkuyu underground city seen at Goreme, Cappadocia, Turkey. These cave houses have upto 5 Stories and extend 60 meters below the ground. They can house upto 20000 people with livestock and storage. ****** Dr.Surendra www.drsurendra.com www.instagram.com/dr.surendra.2017 *My Picture of the day* –The Derinkuyu underground city seen at Goreme, Cappadocia, Turkey. These cave houses have upto 5 Stories and extend 60 meters below the ground. They can house upto 20000 people with livestock and storage.******Dr.Surendrawww.drsurendra.comwww.instagram.com/dr.surendra.2017