Ключевые слова: blue sky, circumstance, clean, colorcolour, design, early spring, eco, ecology, emptiness, environ, environment, foliage, fresh vegetation, good weather, green, leaf, leaves, material, nature, new green leaves, new leaves, pattern, plant, pleasent weather, pure, sky, spring, springtime, sunny, sunny day, surroundings, tree and grass, vegetation, verdure, young leaves,