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 architectural architectural-elements buildings colors colours concrete condominiums condos contemporary costly curved distance distant expensive holidays perspectives recessed skyscrapers surface tourism tourists walls wealth business city-scapes city-views commerce edges hazy rooftops Singapore surfaces towers tree hotel hotels