accommodation angles angular apartment blocks apartments appearances architecture balconies balcony box-like building city complex contrast contrasting dark Designs detailed distinctive elements exterior external glass heights high high-rise light linear lines metal modern modernistic multi-storey multi-story plain quality short-term straight structures style supports tall tower towering units value views windows apartment-blocks art-deco condo condominium façade flats height heritage historic patterns protection safety sepia valuable boxed concrete highrise red shield shielded shielding squared structured alike appearance bay buildings 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