Ключевые слова: aerial, air, amazing, belgrade, building, church, city, cityscape, copter, danube, dirty, drone, ecology, environment, europe, flight, fog, foggy, hazy, industrial, industry, landscape, mist, misty, morning, nature, new belgrade, panorama, pollution, power, river, serbia, silhouette, sky, skyline, smog, smoke, steam, sun, sunrise, sunset, technology, top, tower, toxic, travel, urban, warming, yugoslavia,