Ключевые слова: allergen, allergy season, background, blossom, blossom season, concept, cottonwood, dandelion, deciduous, environment, flower, fluff seeds, fluffy, grass, health, health hazard, hillside, illuminated, nature, outdoors, park, plant, poplar, poplar fluff, public garden, season, silver poplar, springtime, strong allergen, sunlit, sunny, texture, tree, weather, white poplar, wood,