FILE PHOTO: People walk on a pedestrian bridge as heavy smog blankets China’s capital after the city issued its first air pollution alert for the winter season, in Beijing, China November 26, 2018. REUTERS/Jason Lee/File Photo
FILE PHOTO: People walk on a pedestrian bridge as heavy smog blankets China’s capital after the city issued its first air pollution alert for the winter season, in Beijing, China November 26, 2018. REUTERS/Jason Lee/File Photo