across-the-river boat boats buildings cityscape commuter commuting dock ferry high-rise Jetty leaving left mobility movement navigation passengers people pier popular power regular river river-ferry riverside safety security sight-seeing skill South-Perth Swan-River tourism transport transportation travel views wake water autumn calm colours fall foliage green leaves pines reflections trees usa Washington bank barge canal channel concrete England english entrance exit footpath Great Britain light narrowboat path peaceful Sussex towpath tranquil tunnel arch arches ballustrade bridge cross isolated old ornate road rural stone three communication estuary gantry indicator ladder Mawddach railway sign Signals view wales welsh AC dam DC electric electrical embankment dam flood barrier local river barrier plant power plant retaining dam station water power bird british city flag fly London seagull thames urban window wing nature Salix spring Surrey tree weeping willow Broby clouds HDR landscape Nyberg reflection scenery stonebridge summer sweden