Ключевые слова: april, aspen, background, beautiful, bloom, blooming, blossom, blurred, branch, bud, catkin, catkins, close, closeup, cluster, day, early, eurasian, europe, european, flora, flower, fluffy, forest, macro, natural, nature, new, outdoor, park, plant, poplar, populus, quaking, red, russia, season, sky, soft, spring, springtime, sunlight, tree, tremula, twig, weather, white, willow,