A woman wearing a face mask and holding a parasol stands along a street in the central business district in Beijing, Thursday, July 7, 2022. (Photo by Mark Schiefelbein/AP Photo)
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)
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 model waits to present a creation by Chinese designer Hu Sheguang for his collection show during China Fashion Week S/S 2016 in Beijing October 26, 2015. (Photo by Jason Lee/Reuters)
Artist Kong Ning wears a wedding dress made from respirators to highlight concerns about air quality and pollution in Beijing, China on December 1, 2015. (Photo by Luo Xiaoguang/Xinhua Press/Corbis)
A military band conductor practices during rehearsal ahead of the opening session of Chinese People's Political Consultative Conference (CPPCC) at the Great Hall of the People in Beijing, March 3, 2015. REUTERS/Jason Lee