Ключевые слова: april, bank, bark, bio, birch, close, close up, cut, delicious, drink, drop, environment, eye, fresh, gathering, glass, harm people, harvest, health, juice, liquid, march, medical, medicine, natural, nature, night, outdoor, picking, plant, product, products, protection, resin, russia, saw, season, spring, sweet, tasty, transparent, tree, trunk, tubes, useful, water, wood,