Ключевые слова: allergen, allergy pollen, background, beauty, birch, bloom, blooming, blossom, blue, blurred, bokeh, botanical, botany, branch, bud, catkin, catkins, closeup, corylopsis, corylopsis spicata, environment, flower, forest, garden, germany, green, growth, hazel, hazel pollen, japan, japanese, leaf, macro, natural, nature, outdoor, plant, pollen, pollination, season, seasonal, seasonal allergy, shrub, spicata, spring, springtime, tea, tree, twig, yellow,