Ключевые слова: blue, blue water, circle, clear water, cool, distort, distortion, drop, droplet, garden, holiday, impact, leisure, liquid, movement, optics, outdoors, park, peace, physics, pool, reflection, refraction, refresh, relax, ripples, serenity, slow motion, splash, summer, surface tension, swimming pool, tranquility, vacation, water droplet, wet,