Ключевые слова: aerial, air quality, apartment building, architecture, asia, asian, bridge, buildings, capital, china, city landscape, city skyline, cityscape, concentration, district, downtown, fine dust, fog, gangnam, han gang, han river, hangang, korea, korean, landmark, landscape, lotte tower, megapolis, metropolis, metropolitan, namsan, pm25, pollution, polution, republic of korea, river, riverside, seoul, seoul city, seoul korea, skyline, skyscrapers, smog, smoggy, south korea, tourism, travel, unhealthy, urban, yellow dust,