Residential buildings are seen among thick fog in Yantai, Shandong province, China, October 19, 2016. China Daily/via REUTERS

Residential buildings are seen among thick fog in Yantai, Shandong province, China, October 19, 2016. China Daily/via REUTERS

Residential buildings are seen among thick fog in Yantai, Shandong province, China, October 19, 2016. China Daily/via REUTERS

November 11, 2016 5:52 PM (UTC+8)