Changsha Xinhe Delta Office Tower in Hunan Province with skyline in background

changsha smog crowd city crane construction site clouds aerial china skyline dirt commercial pollution apartment downtown nature fog mist smoke building business skyscraper tower climate chinese town chinese theme changsha xinhe delta office tower intercontinental housing area flight drone dense metropolis cityscape highrise buildings highrise illumination approaching shot town establishing drone shot aerial view residential area window city scene commerce blink financial day development