background bar beach coast sand shore texture blue coastal coastline forest Italy natural nature sand bar sea view low retreating rills ripples tide water waves amusement children climbing area empty fun joy junglegym kids kindergarden kindergarten monkey bars outdoors park play playground playground equipment trees wooden house slide wood England english frame gravel Great Britain groynes January muddy plank post sandy shingle stones stony structure Sussex timber wave wavebreaks wet winter worn barricade barrier beach-sands beams block blockade dark-ocean disturbed dry dry-sand erected erection fence fencing footprints light obstacle ocean outside perspectives public quiet sand-tracks seashore seaside stays summer sun sunlight sunshine swimmers swimming tracks uneven views warm wooden-barrier