accommodation angles apartment-blocks apartments appearances architecture box-like boxed building complex concrete contrasting dark Designs detailed distinctive elements exterior external flats glass height high high-rise highrise light linear lines metal modern modernistic multi-storey multi-story plain red shield shielded shielding squared straight structured structures style supports tall towering units views windows bricks brickwork building-construction building-site building-work buildings concreting construction development gray grey home house perspectives second-storey second-story suburban two-storey two-story urban wall walls work