In this Sunday, November 3, 2019, photo, Indians wear pollution mask and cross over a pedestrian bridge amidst thick layer of smog in New Delhi, India. Authorities in New Delhi are restricting the use of private vehicles on the roads under an “odd-even” scheme based on license plates to control vehicular pollution as the national capital continues to gasp under toxic smog. (Photo by Manish Swarup/AP Photo)
