According to legend, this mystical earthen architecture city owes its existence to a magic worm. http://on.natgeo.com/2xXfv1J

According to legend, this mystical earthen architecture city owes its existence to a magic worm. http://on.natgeo.com/2xXfv1J 

https://twitter.com/NatGeoTravel/status/906698770229993473