Asia building business office Singapore skyline work accommodation angles architecture box-like boxed bricks brickwork building-construction building-site building-work buildings concrete concreting construction development distinctive elements exterior external gray grey height high home house light linear lines modern modernistic perspectives plain second-storey second-story squared straight structured style suburban two-storey two-story units urban views wall walls windows colourful contemporary glow grass lamppost lights offices orange sky stone sun sunset warm window winter Italy palace skyscraper torino workplace