appartment block cars courtyard from above highrise accommodation looking down motor cars parking Singapore tennants parking accommodation appartment blocks architecture block-like blocks building buildings contrast contrasting costly expensive flats height high highrise highrise-accommodation homes Hong Kong modern multi-storey multi-story perspectives pricey tall tower towering units value views wealth wealthy buildingns bus curved double-decker bus double-decker tram overpass pedestrian-overpass street street-scene traffic tram vehicles