Chinese relative of a missing passenger on Malaysia Airlines flight MH370 reacts as she weeps outside the main gate of the Lama Temple on March 8, 2015 in Beijing, China. Foreign and local media were prevented by Chinese police from covering the relatives visit to the temple where they tried to pray .There were 239 people on board the flight when it disappeared March 8, 2014 en route from Kuala Lumpur to Beijing. After one year and an exhaustive search, investigators still have no clue as to the whereabouts of the missing airliner. (Kevin Frayer/Getty Images)

An applicant try-out during a stewardess recruiting interview for China Southern Airlines on October 12, 2006 in Beijing, China. Over 160 candidates have competed at the Beijing Region selection for a total of 15 berths in the next stage of recruitment. The China Southern Airlines launched a nationwide campaign to single out qualified stewardesses, the first of its kind to recruit stewardesses through TV shows. (Photo by China Photos/Getty Images)

Models wait backstage before the Heaven Gaia Autumn/Winter 2021 collection show by Xiong Ying during China Fashion Week in Beijing, China on March 25, 2021. (Photo by Tingshu Wang/Reuters)

A vendor wearing a protective face mask looks out of her store selling sugar-coated haws on a stick in Beijing, Sunday, April 12, 2020. (Photo by Andy Wong/AP Photo)

Models prepare backstage before presenting a creation from the Heaven Gaia by Xiong Ying during the China Fashion Week in Beijing on September 4, 2022. (Photo by Wang Zhao/AFP Photo)

Visitors dressed as frogs walk along a popular street lined with bars, in Beijing, Friday, May 5, 2023. (Photo by Ng Han Guan/AP Photo)

People look at buildings displaying a light show on the eve of the 100th anniversary of the Chinese Communist Party in Beijing on June 30, 2021. (Photo by Noel Celis/AFP Photo)

A woman gets a throat swab during a public COVID testing outside a shopping mall on Sunday, May 22, 2022, in Beijing. (Photo by Andy Wong/AP Photo)