Ключевые слова: anonymous, arms, awareness, background, buildings, business, businessman, city, cityscape, closeup, concept, conservation, development, double, earth, eco, ecological, ecology, entrepreneur, environment, environmental, exposure, faceless, future, global, globe, hands, hold, international, light, male, man, planet, protection, recycle, save, show, sign, sky, skyscraper, sunlight, support, sustainable, symbol, unidentified, unknown, unrecognizable, vision, world, worldwide,