Ключевые слова: aerial view, air, asia, beijing, china, chinese, coal, condition, countryside, cultivation, developing, dirty, drone, dry, dusty, ecology, energy, environment, environmental, exterior, factory, farm, farm land, farmer, farming, fog, gray, house, housing, industrial, landmark, landscape, life, mud, nature, old, old house, outdoors, outside, pollution, poor, poverty, road, roof, rural, scene, train track, view, village, winter,