Huge dust storm engulfs parts of China
A massive dust storm has choked a large swathe of northern China, reducing visibility to less than 1000m in places.
BBC Weather's Chris Fawkes takes a look at where the dust is coming from.
A massive dust storm has choked a large swathe of northern China, reducing visibility to less than 1000m in places.
BBC Weather's Chris Fawkes takes a look at where the dust is coming from.