Hundred-meters high sandstorm swallows Dunhuang, a historical city, turning day into night.

Just a few months after mid-March, north China was again hit by a huge sandstorm. On July 25, a mega sandstorm appeared in Dunhuang, Gansu Province. Based on the footages, hundred-meter-tall wall of sand is sweeping from the north as if it would engulf everything around in any second; half of the sky filled with sand and the other half is clear is just like a disaster film scene. Recently, extreme weather has occurred more frequently in mainland China. On July 20, heavy rainfall and unpredicted flooding hit Henan province, resulting in heavy casualties in Zhengzhou. There are more than 6,000 bodies were reportedly found in the flooded Jingguang tunnel, and the number of deaths continues to rise. In addition, 91 subway trains were soaked in Zhengzhou, however, only 12 passengers were officially reported died in the Metro Line 5. The real death count became national confidential. At noon on July 25, typhoon “In-fa“ landed on Zhejiang Province, causing flash floods and landslides. Tons of cars a