Ceiling of Madrasah in Registan in Samarkand, Uzbekistan. Original public domain image from Flickr https://www.rawpixel.com/image/4042442/photo-image-art-pattern-buildingFree Image from public domain licenseMoskee met scheve minaretten op de marktplaats te Samarkand (c. 1895 - c. 1915) by anonymous https://www.rawpixel.com/image/13731984/image-paper-person-artFree Image from public domain license