bridge concrete freeways highways overpass pavement roads streets asphalt crossing flyover junction road steet transport viaduct cars park parking pillars pylon sky street cobbleroad historic monuments pebbes pebbleroad tunnel warsaw arrows underpass river suspension walking arch blue brown car forest gray green highway steel summer travel White Lines column Coronado bridge roadway span traffic usa accommodation appartment blocks architecture building buildingns bus contrast contrasting curved double-decker bus double-decker tram flats from above height high highrise highrise accommodation homes Hong Kong looking down modern multi-storey multi-story pedestrian-overpass perspectives street-scene tall tower towering tram units vehicles views arches cables pedestrian protection railing rails safety suspension bridge walkway