accommodation angles apartment-blocks apartments architecture art-deco balconies building city complex condo condominium contrast contrasting dark detailed distinctive elements exterior external façade flats height heritage high high-rise historic light linear lines metal modernistic multi-storey multi-story patterns plain protection quality safety sepia straight structures style supports tall units valuable views windows beach block-like blocks buildings costly expensive foliage green greenery highrise highrise-accommodation homes Hong-Kong modern park perspectives population pricey property residential-area sand shrubbery shrubs skyscraper tower tower-blocks towering trees urban-area value vegetation wealth wealthy garden hut lean to oysters shells