Ключевые слова: aerial, air, architecture, blue, building, buildings, business, car, city, cityscape, climate, downtown, ecology, evening, gray, healf, high, industrial, landscape, metropolis, modern, morning, municipal, office, orange, panorama, panoramic, place, plants, pollution, problem, residential, road, scape, scene, sky, skyline, smoke, street, sun, sunlight, sunset, tourism, tower, town, travel, urban, vehicle, view, winter,