control Denmark gate iron light lock metal reflection ripple shadow sluice strong water beach coast horizon lap lighthouse line sand sea shore tide aquamarine bed blue blue water clear floor Maddalena Islands rock rocky Sardinia sea bed seawater transparent calm color colour creation creek glassy nature peace pond pool reflections ripples river shoreline stream waters waterway abstract angles appearance background bright colored colors coloured colours dark detailed interconnected lighting peaceful perspective perspectives reflected rippling shadows texture textured textures views wallpaper liquid marine pattern sparkle sparkling summer sunlight colorful colourful cool cooling display fountain fountains froth height high patterns rainbow rainbow-colors rainbow-colours regularity Rhythm shooting spectacle splash splashing spouting spray spraying squirting streaming turbulence turbulent water-feature wet green greenery shade shady shrubbery trees