Parts of the central business district in Beijing are shrouded in a dust storm on Thursday
A woman wears a face mask to combat the poor air quality covering Beijing
A woman puts a scarf over her mouth and nose to combat the poor air quality covering Beijing
People riding bicycles wear face masks to combat the poor air quality covering Beijing
A family wearing face masks to combat the poor air ride a scooter in Beijing on Thursday
The Great Hall of the People is seen after a dust storm hit Beijing
People exercise during a dust storm day in Beijing on Thursday
People visit Tiananmen Square as a sandstorm hits Beijing