A sandstorm hits Urumqi, capital of Northwest China's Xinjiang Uygur Autonomous Region, Aug. 12, 2018. Visibility was reduced as dust shrouded the city, where temperatures reached approximately 35 degrees centigrade. (Photo: China News Service/Liu Xin)

A sandstorm hits Urumqi, capital of Northwest China's Xinjiang Uygur Autonomous Region, Aug. 12, 2018. Visibility was reduced as dust shrouded the city, where temperatures reached approximately 35 degrees centigrade. (Photo: China News Service/Liu Xin)

A sandstorm hits Urumqi, capital of Northwest China's Xinjiang Uygur Autonomous Region, Aug. 12, 2018. Visibility was reduced as dust shrouded the city, where temperatures reached approximately 35 degrees centigrade. (Photo: China News Service/Liu Xin)

A sandstorm hits Urumqi, capital of Northwest China's Xinjiang Uygur Autonomous Region, Aug. 12, 2018. Visibility was reduced as dust shrouded the city, where temperatures reached approximately 35 degrees centigrade. (Photo: China News Service/Liu Xin)