Athabasca canada current dangerous fierce flow forest hazard landscape natural nature rapids river water bed beds bedsheet blue calm island lake pond satin sea sheet sheets silk soft soothing surface abstract aqua backdrop background color coloration colored colors colour coloured colours cream distortion distortions flowing light lines movement moving open outdoors outside paint painted painting patterns red reflecting reflection reflections ripples rippling style sunlight surfaced surfaces surfacing texture textures vibrancy vibrant wallpaper waterflow wavelets aerate cascade dam fall rivulets stone streams wales wall welsh America boulder clean clear cold fast pure rock transparent angles circular contained cool cooling display enclosed feature fountain fountains greenery levels outdoor paved paving plants pool regularity round spectacle splash splashing spouting spray spraying squirting streaming surrounds tiled turbulence turbulent water-feature wet aggressive Australian birds cascading chroicocephalus-novaehollandiae city common edge edges edging gray-and-white grey-and-white gulls Larus-novaehollandiae multi-level Noisy prolific scavengers screeching seabirds seagulls silver-gull standing wading waiting watching waterbirds appearance blended bright colorful colourful contoured contours contrast contrasting decorative design details edged fiery interconnected interlinked interwoven marbled marbling mottled patterned perspectives shape shaped shapes textured thick thin