above aerial-balloon angled angles apartment-blocks architecture backgrounds balloon below buildings cityscape colors colours condominiums flats flight-operation gondola height helium helium-balloon high high-rise modern motion movement multi-storey multi-story perspectives roofing roofs rooftops rooves safe safety scene scenery scenic secure secured shape shapes sights sightseeing Singapore skyline streets traffic views accommodation apartments art-deco balconies building city complex condo condominium contrast contrasting dark detailed distinctive elements exterior external façade heritage historic light linear lines metal modernistic patterns plain protection quality sepia straight structures style supports tall units valuable windows appearance arched arches architectural Australian bricks brickwork Colonial community construction craftsmanship frontage historical history library limestone old ornamental ornamentation period prestige prestigious protective public roof shade shadows solid stonework strong sunlight sunshine surface surfaces two-storey two-story urban view walls architectural-elements balcony business city-scapes city-views commerce concrete contemporary costly curved distance distant edges expensive glass hazy heights recessed skyscrapers towering towers tree wealth appearances box-like holidays hotel hotels tourism tourists