angles appearances architectural architecture blue box-like buildings business-district city city-scapes city-views color colour contemporary contrast contrasting distance distant distinctive elements exterior external glass gray grey heights high high-rise light linear lines modern office-buildings offices perspectives rectangles rectangular reflections reflective style views walls windows curve curved Hong Kong office buildings skyscrapers wealth abstract artistic backdrop background blended bright circles circular colored colors coloured colours corners decorative design details geometric geometrical grains grainy interconnected intermeshed interwoven kaleidoscopic patterns mandala marbled patterns peppered pointed points radiating rays rounded shapes sharp square texture textures tile vibrant wallpaper flowers garden petals art arty black brown cream detailed detailed patterns edges green image images intricate intricate patterns multicoloured yellow aerobridges aeroplane air-industry airbridges aircraft airline airlines airplane airport airport-tarmac airport-terminal cockpit curves jet-bridge jets jetways ladders lights luggage luggage-trolley mobile moveable-bridges movement parked plane rain raining service servicing stairs tarmac terminal transport transportation travel traveling travelling trolleys vehicles wet commute commuter train commuting dangerous electric electric lines electric rail system electric train electric trains electricity overhead lines passenger service passenger train passengers platform platforms rail rail transport railroad rails railway railway station station suburban train trains urban voltage wire wires wiring