accommodation angles apartment-blocks apartments appearances architecture box-like boxed building complex concrete contrasting dark Designs detailed distinctive elements exterior external flats glass height high high-rise highrise light linear lines metal modern modernistic multi-storey multi-story plain red shield shielded shielding squared straight structured structures style supports tall towering units views windows alike appearance bay buildings contrast cost costly expense expensive from-above highrise-accommodation hill hillside hillside-accommodation homes Hong Kong looking-down luxury other-side perspectives same sameness sea seaviews similarities water waterside wealth wealthy above aerial-balloon angled backgrounds balloon below cityscape colors colours condominiums flight-operation gondola helium helium-balloon motion movement roofing roofs rooftops rooves safe safety scene scenery scenic secure secured shape shapes sights sightseeing Singapore skyline streets traffic