A woman cycles with her head covered during morning rush hour as Beijing, China, is hit by a sandstorm, March 15, 2021.

Visitors stand behind barricades at a peak overlooking the Forbidden City at Jingshan Park, as the city is hit by sandstorm, in Beijing, China March 15, 2021.

A general view of the city shrouded in smog after a sandstorm, in central Beijing, China March 15, 2021.

People go about their day during morning rush hour as Beijing, China, is hit by a sandstorm, March 15, 2021.

A man walks past buildings shrouded in haze after a sandstorm in the Central Business District of Beijing, China March 15, 2021.

A general view of the city shrouded in smog after a sandstorm, in central Beijing, China March 15, 2021.

A woman hangs a sign outside a shop as people go about their day during morning rush hour as Beijing, China, is hit by a sandstorm, March 15, 2021.

A woman in bridal gown adjusts herself during a wedding photoshoot near the Forbidden City, as the city is hit by sandstorm, in Beijing, China March 15, 2021.

A general view of the city shrouded in smog after a sandstorm, in central Beijing, China March 15, 2021.

A visitor wearing a face mask stands on barricades at a peak overlooking the Forbidden City at Jingshan Park, as the city is hit by sandstorm, in Beijing, China March 15, 2021.

A person walks with a broom and dustpan during morning rush hour as Beijing, China, is hit by a sandstorm, March 15, 2021.

A woman wearing a head covering is seen in front of the headquarters of China's state media broadcaster CCTV that is shrouded in haze after a sandstorm in the Central Business District of Beijing, China March 15, 2021.

A person cycles down a road during morning rush hour as Beijing, China, is hit by a sandstorm, March 15, 2021.

A visitor wearing a face mask looks on from behind barricades at a peak overlooking the Forbidden City at Jingshan Park, as birds fly past while the city is hit by a sandstorm, in Beijing, China March 15, 2021.

A couple react during their wedding photoshoot near the Forbidden City, as the city is hit by sandstorm, in Beijing, China March 15, 2021.

A woman walks past Drum Tower during morning rush hour as Beijing, China, is hit by a sandstorm, March 15, 2021. Image used for illustrative purpose

Nurses go about their day during morning rush hour as Beijing, China, is hit by a sandstorm, March 15, 2021.

A sweeper walks with a broom along a road during morning rush hour as Beijing, China, is hit by a sandstorm, March 15, 2021.

A couple poses during their wedding photoshoot while others take pictures of the scenery near the Forbidden City, as the city is hit by sandstorm, in Beijing, China March 15, 2021.