Ключевые слова: april, background, bark, beautiful, big, birch, blue, branch, cedar, chiaroscuro, clouds, colorful, contour, curly, day, direction, distance, fir, forest, fragment, height, high, landscape, line, march, nature, north, perspective, pine, scenic, season, shadow, siberia, silhouette, sky, spring, sun, sunny, surface, taiga, texture, tree, trunk, up, wavy, weather, white, winding, winter, woods,