access boat Jetty river shore water angles beach colors colours concrete levels long jetty low tide ocean perspective perspectives posts pylons railings rock formations rocks rocky rough safety sand security shipping ships strength strong support support legs textures tidal tides boats dwellings lake moorings pier sailing shoreline summer trees usa wood across-the-river background barriers blue boards bridge covered-jetty homes houses outdoor outdoors outside protection railway-bridge reflections residences ripples rippling river-views riverside shade shelter surfaces vegetation views waterway wooden depressed dull future grey hopeless loch planks reservoir sad clouds Indian Ocean maldives sea sky tropics bird duck fowl goose lagoon waterfowl light house Umhlanga Rocks waves by sea check point evening sign sign post