Amman arabic archaeological architecture background blue building buildings capital citadel city civilization classical construction country dense design downtown east flag hill historic history homes house houses housing jordan jordanian landmarks metropolis middle monumental old oriental outdoor period road sky society stone street structure summer sunny town travel urban view windows accommodation angles architectural balconies circular connected connections curved dark edges elements exterior external feature fire-escapes geometric geometrical gray grey height high interconnected interlinked lines linked patterns perspectives points radiating railing rails residential rounded safety secure shade shadows shapes spiral spiralling structures style sunlight surfaces abstract angled apartments backgrounds chinese clear colors colours contrast covered diagonal edge flats heights modern overlap overlapping placement roof roofing roofs rooftops rooves rows shape Singapore steep streets texture textures tiles tiling units