Ключевые слова: 3d illustration, background, cloud, concept, design, earth, eco, ecological, ecology, ecosystem, enclosed, energy, environment, force, forest, glass, green, harmony, humanity, industry, inside, jar, landscape, metaphorical, natural, nature, peace, planet, plant, pollution, protected, protection, recycling, renewable sources, save, sign, surrealism, symbol, system, warming, water, wind,