A woman dressed in traditional clothing visits a business street in Beijing on June 5, 2024. (Photo by Wang Zhao/AFP Photo)

Eight-year-old Niu Dongfang trains at the No. 2 Beijing Shuangqiao School January 13, 2005 in Beijing, China. Most of students in the gymnastics school have to study more than five years from as young as age six before they become athletes. (Photo by Guang Niu/Getty Images)

A man walks pat sculptures with face masks on along an alley in Beijing on August 3, 2021. (Photo by Noel Celis/AFP Photo)

A woman uses a plastic bad to protect her head amid snowfall in Beijing, China on December 14, 2023. (Photo by Tingshu Wang/Reuters)

Residents wearing masks to protect from the coronavirus cross a junction in Beijing on Wednesday, January 20, 2021. (Photo by Ng Han Guan/AP Photo)

A Beijing Opera performer dances for a show by designer Hao Weimin at China Fashion Week, China, October 28, 2019. (Photo by Jason Lee/Reuters)

Vehicles clog a highway during a hazy day in Beijing, China, Wednesday, February 26, 2014. Beijing remained cloaked in hazardous white pollution hiding much of its skyline Wednesday, despite the announced closures or production cuts at 147 of the city's industrial plants. (Photo by Ng Han Guan/AP Photo)

A robot named Nia from Beijing Qingfei Technologies Co. Ltd greets visitors to the Zhongguancun Forum at the Zhongguancun International Innovation Center in Beijing, China, Friday, March 28, 2025. (Photo by Ng Han Guan/AP Photo)