
Sand wall hits Gansu, China (Screenshot: CCTV).
Strong winds, sandstorms and dense dust are sweeping across northern China, causing traffic chaos and property damage, Sky News reported on March 21.
A 100-meter-high wall of sand hit Shandan County, Zhangye City, Gansu Province on March 20, "swallowing" a residential area in sand and reducing visibility to 10 meters.
100m high sandstorm sweeps through Chinese city ( Video : Sky News)
China's meteorological agency has issued yellow weather alerts in more than 10 provinces, saying it could be China's most severe sandstorm this year.
China has a four-tiered weather warning system, designated by color, with red representing the most severe weather, followed by orange, yellow and blue.
In addition, in Gansu, Jiayuguan City also faced thick dust and temperatures dropped to -2 degrees Celsius. The local environmental sanitation department handled the situation by spraying water to reduce dust to minimize air pollution.
The Xinjiang Uyghur Autonomous Region also experienced strong winds and dust, reducing visibility to less than 50 meters in some areas. Strong winds hit the city of Aksu around noon on March 20, carrying sand and dust into the air. The weather prompted the local traffic police to urge drivers to take extra care.
China's National Meteorological Center has warned that the weather will continue to be sandy and dusty until March 22 in southern Xinjiang Uygur Autonomous Region, as well as in northeastern China including Qinghai, Gansu, Ningxia, Inner Mongolia, Shanxi, Hebei, Beijing, Tianjin, Heilongjiang, Liaoning and Jilin.
In 2021, China witnessed the biggest sandstorm in more than a decade, turning the sky over Beijing orange.

Sand wall in Zhangye, Gansu (Photo: VCG).

Police clear a road in Xinjiang (Photo: VCG).
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