Asia blue color colored colorful colors colour coloured colourful colours escapes fire escape fishmonk green pattern patterned patterns primary rainbow rainbows red repeat repeating same Singapore spiral spirals stair stairs step steps stripe striped stripes stripy yellow accommodation angles architectural architecture balconies buildings circular connected connections curved dark design edges elements exterior external feature fire-escapes geometric geometrical gray grey height high homes houses interconnected interlinked lines linked perspectives points radiating railing rails residential rounded safety secure shade shadows shapes spiralling structures style sunlight surfaces city fire scape light night office building appearance arch arched arches Australia building entrance escape exit fire-escape heritage historic historical history hotel masonry old ornamental ornamentation plain rear Rooms rural safe solid steel stonework veranda verandah walls abstract roof roofing