Mother Nature shaped this incredible landscape into a rocky wonderland—while human hands honeycombed it with caves large enough to form entire towns http://on.natgeo.com/2Eb9AtM

Mother Nature shaped this incredible landscape into a rocky wonderland—while human hands honeycombed it with caves large enough to form entire towns http://on.natgeo.com/2Eb9AtM 

https://twitter.com/NatGeoTravel/status/956632907707305984