Ключевые слова: air, background, blue, bright, cloud, color, deviation, diffraction, dispersion, downwards, drop, dust, dynamic, fall, fly, form, fountain, gravitation, height, identical, interference, jet, light, nature, outdoor, power, pressure, refraction, relatives, same, shadow, shape, silhouette, similar, sky, skyscape, space, sparks, speed, splash, start, stream, sunny, suspension, top, upwards, water, wind,