Amman ancient antique arabic archaeological architecture Asia block blue building capital citadel city classical clouds column day detail east empire famous historic history islamic jordan landmark middle monument monumental mosque muslim old period qasr religion Remains rock roman roof ruin ruins sanctuary site sky stone temple time typical urban wall above access accessible angles angular appearances architectural barriers beams below bridge bridging cloudy concrete contrast contrasting deck decks distinctive double-decked elements expanse exterior external fishing fishing-deck lighting lights long open pedestrian-access pedestrians pier-columns railing rails steel strong support traffic traffic-bridge vehicles water wide wood Angkor appearance archaeology Buddhist cambodia ceiling colonnade columns cover covered dark height high Hindu light open-sided pathway pavement paving pedestrian perspective perspectives pillars posts secure security shade shadow shadows shelter stonework strength structure structures sunlight sunshine temple-complex temples view views walking walkway weathered accumulated accumulations aged calcium-carbonate candle-shapes caves ceilings coloring colors colouring colours crystallisation crystallise crystallization crystallize deposits edge edges floors formation forms icicle-like minerals Particles pointed shape shaped shapes Singapore slow slow-growth slowly smooth Stalactite stalactites stalagmites subterranean surface surfaces texture textures unusual white