background beach clear flow flush pebbles ripples sand sandy sea shore splash stream texture wash water wavelets waves whitewater calm colors colours inlet magical nature ocean peace peaceful seaside shallow shells shoreline stream. river summer Cotton Tree Maroochydore Sunshine Coast winter breakage broken circular concrete corroded corrosion cracked cracks damage damaged deteriorated deterioration drain drain-pipes drainage pipe polluted pollution rippling river riverside round urban abstract appearance aqua backdrop blue-green color colour light movement patterns pool reflection reflections surface swimming pool textures vibrancy vibrant wallpaper water's edge angles appearances city plaza contemporary contrast contrasting cool cooling flowing levels low modern pools shade shadows water feature waterfalls wet