apartment architecture block complex condominium cream flats home house modern red Singapore skyscraper tower trees water waterside accommodation angled angles apartment-building apartment-complex box-like boxed building concrete distinctive elements entrance exterior external gray grey handrails height high light lights linear lines modernistic perspectives plain side-entrance squared stainless-steel steps straight structure structured style suburban tiled tiles units urban views wall walls Albany-Bell-Castle apartments architectural Australian brickwork castellated castle color colors colour colours contrast craftsmanship dark decorative deluxe-apartments exclusive gardens gated-complex historic history iconic luxury-apartments modernised modernized ornamental ornamentation patterns pricey prized-real-estate secure security shadows solid stonework sunlight sunshine textures windows balconies balcony barrier glass multi-storey multi-story protection safety