Vehicles run amid fog on Wuyi avenue in Changsha, capital of central China's Hunan Province, March 26, 2014. Thick fog shrouded the city Wednesday, reducing the visibility to less than 500 meters. (Xinhua/Long Hongtao)
Vessels are seen amid fog along the Xiangjiang River in Changsha, capital of central China's Hunan Province, March 26, 2014. Thick fog shrouded the city Wednesday, reducing the visibility to less than 500 meters. (Xinhua/Long Hongtao)
Photo taken on March 26, 2014 shows the Juzizhou bridge amid fog in Changsha, capital of central China's Hunan Province. Thick fog shrouded the city Wednesday, reducing the visibility to less than 500 meters. (Xinhua/Long Hongtao)
Residents ride motorcycles amid fog in Hefei, capital of east China's Anhui Province, March 26, 2014. The local meteorological bureau has issued orange alert for heavy fog. (Xinhua/Guo Chen)
Residents walk on a road amid fog in Hefei, capital of east China's Anhui Province, March 26, 2014. The local meteorological bureau has issued orange alert for heavy fog. (Xinhua/Guo Chen）
Residents do morning exercises amid fog and smog in Changchun, capital of northeast China's Jilin Province, March 26, 2014. The city was hit by smog on March 26 and suffered from heavy air pollution. (Xinhua/Xu Chang)
Residents do morning exercises amid fog and smog in Changchun, capital of northeast China's Jilin Province, March 26, 2014. The city was hit by smog on March 26 and suffered from heavy air pollution. (Xinhua/Xu Chang)
Motorcars run on a road amid heavy fog in Liuzhou, south China's Guangxi Zhuang Autnomous Region, March 26, 2014. The local meteorological bureau issued a yellow alert for fog on March 26. (Xinhua/Huang Xiaobang)
People ride motorcycles on a road amid heavy fog in Liuzhou, southwest China's Guangxi Zhuang Autnomous Region, March 26, 2014. The local meteorological bureau issued a yellow alert for fog on March 26. (Xinhua/Huang Xiaobang)
People ride motorcycles on a road amid heavy fog in Liuzhou, southwest China's Guangxi Zhuang Autnomous Region, March 26, 2014. The local meteorological bureau issued a yellow alert for fog on March 26. (Xinhua/Huang Xiaobang)
