brick bridge cantilever clouds coast cross Edinburgh estuary famous Forth grey iron landmark metal paint painting Queensferry rail railway red river rocks scotland sea shore sky span stone train water blue box calm city cityscape clear crossing curve dundee hill house houses locomotive over perspective shadow signal still Tay track tracks tower architecture blocks buildings cathedral church England english Great Britain landmarks line London shard skyscraper St Paul's thames transport urban view road suspension across-the-river background colors colours contrast contrasting freeway gray light movement outdoor outdoors outside ripples rippling riverside scenery scenic shadows shrubbery shrubs sunlight surfaces traffic transportation travel trees truck vegetation vehicles views waterways cars jet-ski jet-skiing