ພາບ ໝອກກົ້ວ ປົກຄຸມ ປັກກິ່ງ

A man wearing a mask makes his way amid thick haze in Beijing, Feb. 25, 2014. 

A man wearing a mask drives a car amid thick haze in the morning in Beijing, Feb. 26, 2014. 

Commuters wearing masks make their way amid thick haze in the morning in Beijing, Feb. 26, 2014. 

Cars drive on the Three Ring Road amid the heavy haze in Beijing, Feb. 26, 2014. 

Japanese tourists wearing masks make their way to the Olympic Park amid thick haze in Beijing, Feb. 25, 2014. 

People visit the Olympic Park amid thick haze in Beijing, Feb. 25, 2014. 

Buildings are seen shrouded in heavy haze at Qingdao development zone, Shandong province, Feb. 25, 2014. 

Children with respiratory illness receive treatment at a hospital in Beijing, Feb. 21, 2014.