Baltic beach blue blue sky clouds foam fortifications piles polish sand sea water waves white calm cold deep fluid lake light blue liquid nature rocks. beak bird blue heron eyes feathers Heron legs neck outdoors wading bird wildlife backyard blades blue-sky circular controlled directional equipment fan farm farming-equipment gray grey model old perspectives pump replica semi-rural silver spokes tail-blade water-pump wheels wind wind-powered windmill abstract electric blue fractal art Marine biology organism paint pattern psychedelic art block cube frozen ice melt melting reflect reflected reflection tone transparent balance clear.transparent crystal glass opaque peace peaceful pyramid serene serenity dripping drop droplet tranquility wet green plants round sky stone land river trees