FILE PHOTO: Apartment blocks are pictured on a hazy day in Wuqing district of Tianjin

FILE PHOTO: Apartment blocks are pictured on a hazy day in Wuqing district of Tianjin

FILE PHOTO: Apartment blocks are pictured next to a construction site on a hazy day in Wuqing district of Tianjin, China, December 10, 2016. REUTERS/Jason Lee/File Photo

December 29, 2017 2:28 PM (UTC+8)