WUHAN, CHINA - MAY 14: Air pollution and fog is seen on May 14, 2017 over the steel city of Wuhan on the Yangtze River in Hubei province, China. (Photo by Kevin Frayer/Getty Images)
WUHAN, CHINA - MAY 14: Air pollution and fog is seen on May 14, 2017 over the steel city of Wuhan on the Yangtze River in Hubei province, China. (Photo by Kevin Frayer/Getty Images)
