Northwest China hit by sandstorm as Beijing is smothered in smog
https://phys.org › Earth › Environment
13 hours ago - November 26, 2018.
A northwest Chinese city was engulfed by a massive sandstorm that
sparked rural fires, forced traffic to slow down and prompted residents
to cover their faces, according to state media. ... Vehicles were made
to slow down and police in high visibility vests were seen directing
traffic.