Smoggy skyline of Dhaka with traffic on highway, aerial view of densely built city

smoggy skyline dhaka traffic highway densely built city infrastructure air pollution greenhouse gas emissions bangladesh emissions polluted densely populated heavy traffic dense construction global warming populous smog high density architecture smoggy air haze third world country cityscape panoramic buildings asia construction urban urbanization high riser metropolitan tall buildings business travel destination metropolis establishing aerial drone view drone flight panorama flyover overpass uloop vehicle cars town