appearances architecture distorted distorted reflections flying-saucer-like reflections saucer-shaped street scene below unusual windows above angled angles backgrounds below colors colours connecting down-below flowering foliage green greenery height high looking-down perspectives plants scene scenery seed-pods shape shapes sights sightseeing Singapore streets trees treetops vegetation views city cityscape high-rise junction motion movement scenic traffic vehicles gardens aerial-view automobiles bus cars four-lane-highway four-lanes highway highways modern overpass roads safe safety secure secured traffic-flow trucks aerial-balloon apartment-blocks balloon buildings condominiums flats flight-operation gondola helium helium-balloon multi-storey multi-story roofing roofs rooftops rooves skyline