Workers install a surveillance camera at the entrance of Lu village near the China Eastern Flight 5735 crash site on Wednesday, March 23, 2022, in southwestern China's Guangxi province. The search for clues into why a plane made an inexplicable dive and crashed into a mountain in southern China was suspended Wednesday as rain slicked the debris field and filled the red-dirt gash formed by the plane's fiery impact. (Photo by Ng Han Guan/AP Photo)





Rescuers walk at the site where China Eastern flight MU5375 crashed on March 21, near Wuzhou, in southwestern China’s Guangxi province on March 24, 2022. (Photo by Noel Celis/AFP Photo)





In this photo released by Xinhua News Agency, a rescue team member carries a piece of debris at the China Eastern flight crash site in Tengxian County in southern China's Guangxi Zhuang Autonomous Region on Thursday, March 24, 2022. Hundreds of people in rain gear and rubber boots searched muddy, forested hills in southern China on Thursday for the second flight recorder from a jetliner that crashed with 132 people aboard. (Photo by Lu Boan/Xinhua via AP Photo)





A child wearing a raincoat rides a scooter next to Victoria Harbour, amid the coronavirus disease (COVID-19) pandemic, in Hong Kong, China, March 25, 2022. (Photo by Tyrone Siu/Reuters)





A woman wearing a mask walks past an antique store in Hong Kong, Friday, March 25, 2022. (Photo by Kin Cheung/AP Photo)





In this photo released by Xinhua News Agency, rescuers carry a piece of plane wreckage at the site of Monday's plane crash in Tengxian County, southern China's Guangxi Zhuang Autonomous Region, Friday, March 25, 2022. Construction excavators dug into the crash site Saturday in the search for wreckage, remains and the second black box from a China Eastern 737-800 that nosedived into a mountainside in southern China this week with 132 people on board. (Photo by Zhou Hua/Xinhua via AP Photo)





In this photo released by Xinhua News Agency, search and rescue workers pause for a three-minute moment of silence for the 132 people killed at the China Eastern flight crash site in Tengxian County on Sunday, March 27, 2022, in southern China's Guangxi Zhuang Autonomous Region. The second “black box” from a China Eastern Boeing 737-800 was found Sunday, raising hopes that it might shed light on why the passenger plane nosedived into a remote mountainous area in southern China last week, killing all 132 people on board. (Photo by Huang Xiaobang/Xinhua via AP Photo)





A woman drives a scooter down a quiet street in Yangpu distric, in Shanghai on March 28, 2022. Millions of people in China's financial hub were confined to their homes on March 28 as the eastern half of Shanghai went into lockdown to curb the nation's biggest Covid outbreak. (Photo by Hector Retamal/AFP Photo)





A transit officer, wearing a protective gear, controls access to a tunnel in the direction of Pudong district in lockdown as a measure against the Covid-19 coronavirus, in Shanghai on March 28, 2022. Millions of people in China's financial hub were confined to their homes on March 28 as the eastern half of Shanghai went into lockdown to curb the nation's biggest Covid outbreak. (Photo by Hector Retamal/AFP Photo)





A worker in a protective suit walks at an entrance to a tunnel leading to the Pudong area across the Huangpu river, after restrictions on highway traffic amid the lockdown to contain the spread of the coronavirus disease (COVID-19) in Shanghai, China on March 28, 2022. (Photo by Aly Song/Reuters)





Women pose for pictures under blooming plum blossoms, following the coronavirus disease (COVID-19) outbreak, in Beijing, China, March 28, 2022. (Photo by Tingshu Wang/Reuters)





In this photo released by Xinhua News Agency, daily necessities are seen at a warehouse in Jinshan District, eastern China's Shanghai city, Monday, March 28, 2022. Chinese authorities sought to reassure companies and jittery investors on Tuesday as a two-phase lockdown of Shanghai's 26 million people entered its second day, casting an unusual quiet over the normally bustling center of finance, manufacturing and trade. (Photo by Zhuang Yi/Xinhua via AP Photo)





A man walks across a bridge decorated with musical note symbols in Beijing on March 29, 2022. (Photo by Wang Zhao/AFP Photo)





A worker, wearing a protective gear, guards the entrance to a neighborhood in lockdown as a measure against the Covid-19 coronavirus receive food from a delivery man, in Jing'an district, in Shanghai on March 29, 2022. (Photo by Hector Retamal/AFP Photo)





Aerial view of tourists enjoying azalea blossoms at Fangniu village on March 28, 2022 in Chongqing, China. (Photo by He Penglei/China News Service via Getty Images)





A woman wearing a face mask to help protect from the coronavirus walks out from a tent after getting a COVID-19 test, Tuesday, March 29, 2022, in Beijing. A two-phase lockdown of Shanghai's 26 million people is testing the limits of China's hard-line “zero-COVID” strategy, which is shaking markets far beyond the country's borders. (Photo by Andy Wong/AP Photo)





Kids wearing masks watch a teenager flipping his skateboard in an “ollie” at a park in Hong Kong, Wednesday, March 30, 2022. (Photo by Kin Cheung/AP Photo)





Visitors, some wearing masks, walk through a park on Wednesday, March 30, 2022, in Beijing. China's case numbers in its latest infection surge are low compared with other major countries. But the ruling Communist Party is enforcing a “zero tolerance” strategy aimed at isolating every infected person. (Photo by Ng Han Guan/AP Photo)





A man uses a mobile phone while leaning on a scooter in front of barricades of a sealed-off area, following the coronavirus disease (COVID-19) outbreak in Shanghai, China on March 30, 2022. (Photo by Aly Song/Reuters)





A resident wearing a mask walks past shadows of a tree in a park on Thursday, March 31, 2022, in Beijing. China's case numbers in its latest infection surge are low compared with other major countries. But the ruling Communist Party is enforcing a “zero tolerance” strategy aimed at isolating every infected person. (Photo by Ng Han Guan/AP Photo)