accommodation angles appearances architectural architectural-elements architecture balconies balcony box-like buildings city city-scapes city-views colors colours concrete contemporary contrast contrasting costly distance distant elements expensive exterior external glass heights high high-rise holidays hotel hotels light linear lines modern multi-storey multi-story perspectives recessed skyscrapers surface tourism tourists views walls wealth windows curved business commerce commercial curves towering towers urban-area aircraft anchored balloon cable checks circular control controlled duty-pilot engineers fabric filled flight-operation gondola height helium helium-balloon inspected inspections large limited mesh metal-cable metal-line monitored monitoring motion movement net passengers pilot piloted registered ride safe safety secure secured sights sightseeing Singapore tethered weather-limits wind-limits appearance arch arched architectural elements Australian bricks brickwork christian church closed closed doors community construction craftsmanship cream dark distinctive door handles doors entrance fitting historic historical history lock locked old patterns plain red religious rings Sacred security stone stonework style textures wood wood grain wooden