birch grove, spring, cleanliness, summer vacation, forest, pine forest, tourists, Hiking, greenery, nature, bark, tree, leaf, Sunny day, rest, relax, rest, road, path, light, environment, freshness, branches, plant, bright, beautiful, day, natural, life, spring, season, leaves, growth, fresh, botany, seasonal, background, no one, no people, no person, greenery, ecology, landscape, flora, vegetation, pattern, texture, copy space, copyspace,