blue hour cloud dam dawn early day Morning morning sky nature outdoor park public park river sky sun sun up sunrise surya waterway bay boat coast coastal coastline dock harbor harbour Jetty lake marina ocean pier piles piling pilings quay sea seaside water waterfront wharf barge England english Great Britain Guildford hobby holiday leisure narrowboat navigate pleasure reflection steer summer Surrey transport travel tree vacation Australia Australian landscape brown color creek dirty water forest green gum tree leaf pine tree pond ripple season Athabasca boulder canada current deluge drop falls fierce flow landscape natural plunge pour rock Rockies Rocky Mountains torrent turmoil waterfall bank Basingstoke Canal canal Hampshire oak peaceful rural shadow spring sunlight towpath tranquil trees