Vertical aerial orbiting shot around a skyscraper of Citic Bank in Changsha revealing cityscape in heavy air pollution with the Xiang River in the background

china changsha citic bank hunan province skyline smog air pollution toxic environment city business asia modern park landmark travel sky urban building finance architecture scenery skyscraper cityscape buildings view background tower downtown skyscrapers commercial office reflection landmarks panorama emblem company 4k aerial revealing orbiting misty haze polluted apartment residence xiang river