Ключевые слова: advertising, alternative, architecture, asia, backplane, blue, bridge, building, building structure, business, business entity, cell, center, china, chinese, chongqing, chongqing city, city, cityscape, cleanliness, cloud, constructions, downtown, ecology, electricity, empty, energy, environment, environmental, environmental protection, footpath, guangdong, modern, nobody, office, outdoors, panel, photovoltaic, power, power generation, renewable, sky, skyline, skyscraper, solar, structure, sun, sunlight, technology, urban,