background England old pattern ridge roof series texture tile wave abstract abstraction circle colour colours design lines waves bottom deep flow lake river sand shallow swim wallpaper water wet art desktop powerpoint illustration presentation shiny texture background vector graphic art illustration desktop lila pink powerpoint presentation stars beach complex curves rill ripple sculpted atlantic blue coruna dripping droplet droplets eu force fun galicia green ocean outdoors outside power rock rocks saltwater sea Spain splash sports summer tidal tide tides angles gold graphic orange rectangles ribs colourful glass horizontal irregular light ripples shape shapes stripes structure structures textures