Ключевые слова: ancient, architecture, asia, asian, boat, bridge, brown, building, cargo, china, chinese, chongqing, city, clouds, constructions, culture, density, design, dirty, environment, fog, goods, landscape, modern, mountain, muddy, nature, navigation, old, pollution, population, river, sand, ship, tourism, traditional, transport, transportation, travel, urban, urbanization, view, visibility, water, yangtze, yellow,