accommodation angles appearances architectural architectural-elements architecture balconies balcony box-like buildings city-scapes city-views colors colours concrete contemporary contrast contrasting costly curved 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 city business-district color colored colour coloured office-buildings rectangles rectangular reflections skies sky business district city scapes city views Hong Kong office buildings