minaret and dome, fragments of sher-dor madrasah in the architectural complex registan, samarkand

17th ancient arabic arch architectural architecture art asia blue building century complex culture day decoration dome dor facade famous fragments gate heritage history islam islamic landmark madrasah madrassa majolica medressa minaret mosaic mosque old oriental ornament pattern portal registan religion samarkand samarqand sher sherdor site sky square temple tile timur traditional travel unesco uzbek uzbekistan world