With mosaic facades, glowing marble, crowning domes and spiraling towers, mosques are awe-striking structures http://on.natgeo.com/2yiUhfv

With mosaic facades, glowing marble, crowning domes and spiraling towers, mosques are awe-striking structures http://on.natgeo.com/2yiUhfv 

https://twitter.com/NatGeoTravel/status/918900836012625922