In this aerial photo released by Xinhua News Agency, shows rescue workers at a flooded coal mine in Hutubi county in of Hui Autonomous Prefecture of Changji, northwest China's Xinj...

Workers on a platform check on glass panels of the newly completed National Speed Skating Oval ahead of the 2022 Beijing Winter Olympics test events in Beijing.

Visitors, some wearing face masks, take smartphone photos of their friend poses near cherry blossoms at the Yuyuantan Park during a spring festival in Beijing. People visited the p...

A model presents a creation from Chinese fashion label Xunruo during a show at China Fashion Week in Beijing.

Models present creations from Chinese fashion label Xunruo during a show at China Fashion Week in Beijing.

Models present creations from Chinese fashion label Xunruo during a show at China Fashion Week in Beijing

A model presents a creation inspired by traditional Chinese clothing from fashion brand Chuyan during China Fashion Week in Beijing.

A woman wearing a face mask walks across a street as capital city is hit by polluted air and a sandstorm in Beijing.

A cyclist and motorists move past office buildings amid a sandstorm during the morning rush hour in the central business district in Beijing.

People wearing face masks walk across a street as capital city is hit by polluted air and sandstorm in Beijing.

A resident rides through a sandstorm in Beijing.

Residents make their way through a sandstorm in Beijing. The sandstorm brought a tinted haze to Beijing's skies and sent air quality indices soaring on Monday.

A woman walks along a pedestrian bridge amid a sandstorm during the morning rush hour in the central business district in Beijing.

Commuters walk along a sidewalk amid a sandstorm during the morning rush hour in the central business district in Beijing.

People ride bicycles across an intersection amid a sandstorm during the morning rush hour in the central business district in Beijing.

Cars are driven along a street amid a sandstorm during the morning rush hour in Beijing.

People wait to cross an intersection amid a sandstorm during the morning rush hour in Beijing. The sandstorm brought a tinted haze to Beijing's skies and sent air quality indices s...

Commuters walk along a sidewalk amid a sandstorm during the morning rush hour in the central business district in Beijing. The sandstorm brought a tinted haze to Beijing's skies an...

Chinese President Xi Jinping is seen on a big screen during a live broadcast of the closing session of the National People's Congress in Beijing. China's ceremonial legislature on ...

Democracy advocate Jimmy Lai, holding a book, arrives at Hong Kong's Court of Final Appeal in Hong Kong. The court on Tuesday denied bail for government critic and newspaper publis...