Ключевые слова: abstract, abstract lines, abstract wave, aqua, art, backdrop, background, clean, curve, dynamic, flat, flood, flow, flowing, geometric, graphic, illusion, lake, line, lines, lines background, liquid, monochrome, motion, ocean, ocean waves, optical, optical art, river, sea, sea waves, shape, sign, sound, strip, stripe, striped, striped background, stripes, surfing, swirl, water, water wave, wave background, wave icon, waves vector, zebra,