Ang Urumqi ay ang kabisera ng Xinjiang. Matatagpuan ito sa hilagang paa ng mga bundok ng Tianshan, at napapaligiran ng mga bundok at tubig na may malawak na mga patlang. However, this smooth, open, and exotic oasis has gradually cast a shadow of haze in recent years. Starting from November 24th, 2016 to March 19th, 2017, Urumqi entered a period of intensive pollution. During the 116 days, the weather with excellent or good quality only lasted for 8 days, and the polluted...