auto bridge car flyover highway motor motorway over-pass overpass pylon pylons road transport viaduct warsaw way access airport airport-terminal blue communicating communication conveniences directional-signs doors exit glass informative informing inside interior lift open open-doors passengers pedestrians signs travel travellers travelling way-out windows buildings bus city colored colorful coloring colors coloured colourful colouring colours covered walkways cross-roads double-decker bus Hong Kong pedestrian walkways pedestrian-overpass roads taxi traffic transportation turning vehicles black clouds dawn daybreak grey hope mountains new day peace rays sky summer sun sunrise yellow