A late-spring dust and sandstorm sent air quality indices soaring in China's capital on Thursday.
Beijing Hit By Third Sandstorm In Five Weeks
A late-spring dust and sandstorm sent air quality indices soaring in China's capital on Thursday.
A late-spring dust and sandstorm sent air quality indices soaring in China's capital on Thursday.
A late-spring dust and sandstorm sent air quality indices soaring in China's capital on Thursday.