The Chinese city was 100m high in the sand wall
According to the South China Morning Post (SCMP), the central and western regions of Gansu province, stretching over a range of 1000km, were struck by a sandstorm on November 26.China: The city is red when the terrifying sandstorm attacks
The biggest sandstorm in nearly two decades has swept across Gansu province, northwest of China, causing visibility to fall to less than 20m.