An electronic board shows Shanghai and Shenzhen stock indices at the Lujiazui financial district in Shanghai, China, March 17, 2023. REUTERS/Aly Song 

An electronic board shows Shanghai and Shenzhen stock indices at the Lujiazui financial district in Shanghai, China, March 17, 2023. REUTERS/Aly Song 

An electronic board shows Shanghai and Shenzhen stock indices at the Lujiazui financial district in Shanghai, China, March 17, 2023. REUTERS/Aly Song 

An electronic board shows Shanghai and Shenzhen stock indexes, at the Lujiazui financial district, following the coronavirus disease (COVID-19) outbreak, in Shanghai, China November 14, 2022. REUTERS/Aly Song 

People sit by Shenzhen's main factory recruitment hub in Longhua district, Guangdong province, China November 1, 2022. REUTERS/David Kirton 

An electronic board shows Shanghai and Shenzhen stock indexes, at the Lujiazui financial district, following the coronavirus disease (COVID-19) outbreak, in Shanghai, China October 25, 2022. REUTERS/Aly Song 

An electronic board shows Shanghai and Shenzhen stock indexes, at the Lujiazui financial district, following the coronavirus disease (COVID-19) outbreak, in Shanghai, China October 25, 2022. REUTERS/Aly Song 

An electronic board shows Shanghai and Shenzhen stock indexes, at the Lujiazui financial district, following the coronavirus disease (COVID-19) outbreak, in Shanghai, China October 25, 2022. REUTERS/Aly Song 

An electronic board shows Shanghai and Shenzhen stock indexes, at the Lujiazui financial district, following the coronavirus disease (COVID-19) outbreak, in Shanghai, China October 25, 2022. REUTERS/Aly Song 

An electric monitor displays the exchange rate between the Japanese yen against the U.S. dollar along with Shanghai and Shenzhen stock prices outside a brokerage in Tokyo, Japan, October 21, 2022 REUTERS/Issei Kato 

An employee sits by advertisements for factory job openings at Shenzhen's main factory recruitment hub in Longhua district, Guangdong province, China October 20, 2022. REUTERS/David Kirton 

A man browses open factory job openings advertised at Shenzhen's main factory recruitment hub in Longhua district, Guangdong province, China October 20, 2022. REUTERS/David Kirton 

People stand outside agencies advertising factory job openings in Shenzhen's main factory recruitment hub in Longhua district, Guangdong province, China October 20, 2022. REUTERS/David Kirton 

Medical workers in protective suits collect swabs from residents at a residential compound in Nanshan district, following a coronavirus disease (COVID-19) outbreak in Shenzhen, Guangdong province, China September 3, 2022. REUTERS/David Kirton 

A general view of Shekou area in Nanshan district of Shenzhen, Guangdong province, China September 3, 2022. REUTERS/David Kirton 

Medical workers in protective suits collect swabs at a nucleic acid testing site at the Software Park in Nanshan district, following the coronavirus disease (COVID-19) outbreak in Shenzhen, Guangdong province, China September 2, 2022. REUTERS/David Kirton 

Medical workers in protective suits collect swabs at a nucleic acid testing site at the Software Park in Nanshan district, following the coronavirus disease (COVID-19) outbreak in Shenzhen, Guangdong province, China September 2, 2022. REUTERS/David Kirton 

A man walks outside the Tencent headquarters in Nanshan district of Shenzhen, Guangdong province, China September 2, 2022. REUTERS/David Kirton 

Medical workers in protective suits collect swabs at a nucleic acid testing site at the Software Park in Nanshan district, following the coronavirus disease (COVID-19) outbreak in Shenzhen, Guangdong province, China September 2, 2022. REUTERS/David Kirton 

Men place a sign on halting dine-in services outside a fruit juice store in Nanshan district, following the coronavirus disease (COVID-19) outbreak in Shenzhen, Guangdong province, China September 2, 2022. REUTERS/David Kirton 

A man rides an electric bike past the Tencent headquarters in Nanshan district of Shenzhen, Guangdong province, China September 2, 2022. REUTERS/David Kirton 

A medical worker in a protective suit collects a swab from a resident at a nucleic acid testing site in Nanshan district, following the coronavirus disease (COVID-19) outbreak in Shenzhen, Guangdong province, China September 1, 2022. REUTERS/David Kirton 

Volunteers arrive to a primary school repurposed for virus control efforts in Futian district, following the coronavirus disease (COVID-19) outbreak in Shenzhen, Guangdong province, China August 31, 2022. REUTERS/David Kirton 

Medical workers in protective suits stand outside a compound deemed high risk in Futian district, following the coronavirus disease (COVID-19) outbreak in Shenzhen, Guangdong province, China August 31, 2022. REUTERS/David Kirton 

People line up for nucleic acid testing outside closed buildings in Huaqiangbei, the world's largest electronics market, following the coronavirus disease (COVID-19) outbreak in Shenzhen, Guangdong province, China August 31, 2022. REUTERS/David Kirton 

A medical worker in a protective suit collects swabs at a nucleic acid testing site in Futian district, following the coronavirus disease (COVID-19) outbreak in Shenzhen, Guangdong province, China August 31, 2022. REUTERS/David Kirton 

Men wearing face masks rest outside a closed China Telecom store in Huaqiangbei, the world's largest electronics market, following the coronavirus disease (COVID-19) outbreak in Shenzhen, Guangdong province, China August 31, 2022. REUTERS/David Kirton 

A sign outside a compound warns of a high risk area in Futian district, following the coronavirus disease (COVID-19) outbreak in Shenzhen, Guangdong province, China August 31, 2022. REUTERS/David Kirton 

A covered nucleic acid testing area is seen in Huaqiangbei, the world's largest electronics market, following the coronavirus disease (COVID-19) outbreak in Shenzhen, Guangdong province, China August 31, 2022. REUTERS/David Kirton 

A sanitary worker sits outside a closed subway station in Huaqiangbei, the world's largest electronics market, following the coronavirus disease, following the coronavirus disease (COVID-19) outbreak in Shenzhen, Guangdong province, China August 31, 2022. REUTERS/David Kirton 

A medical worker collects a swab from a resident at a nucleic acid testing site following the coronavirus disease (COVID-19) outbreak in Shenzhen, Guangdong province, China August 30, 2022. REUTERS/David Kirton 

A man has a swab taken at a nucleic acid testing site following the coronavirus disease (COVID-19) outbreak in Shenzhen, Guangdong province, China August 30, 2022. REUTERS/David Kirton 

A man has a swab taken at a nucleic acid testing site following the coronavirus disease (COVID-19) outbreak in Shenzhen, Guangdong province, China August 30, 2022. REUTERS/David Kirton 

Workers set up barricades outside an entrance to Wanxia urban village as part of coronavirus disease (COVID-19) control measures in Shenzhen, Guangdong province, China August 29, 2022. REUTERS/David Kirton 

People watch as barricades are set up outside an entrance to Wanxia urban village as part of coronavirus disease (COVID-19) control measures in Shenzhen, Guangdong province, China August 29, 2022. REUTERS/David Kirton 

Security guards stand at an entrance to Wanxia urban village, which has been closed as part of coronavirus disease (COVID-19) control measures in Shenzhen, Guangdong province, China August 29, 2022. REUTERS/David Kirton 

A safety driver sits on the passenger seat as the car with autonomous driving system by DeepRoute.ai, drives itself on a street in Shenzhen, Guangdong province, China July 29, 2022. REUTERS/David Kirton 

A car of Baidu's autonomous ride-hailing service platform Apollo Go drives on a street in Shenzhen, Guangdong province, China July 29, 2022. REUTERS/David Kirton 

David Chang, CEO and founder of Whale Dynamic, poses for a picture at the company's office in Shenzhen, Guangdong province, China July 28, 2022. REUTERS/David Kirton 

Employees work at the office of autonomous technology company Whale Dynamic in Shenzhen, Guangdong province, China July 28, 2022. REUTERS/David Kirton 

Maxwell Zhou, CEO of Deeproute.ai, poses for a picture at the company's office in Shenzhen, Guangdong province, China July 27, 2022. REUTERS/David Kirton 

A car with autonomous driving system by Alibaba-backed DeepRoute.ai, drives on a street in Shenzhen, Guangdong province, China July 27, 2022. REUTERS/David Kirton 

A car with autonomous driving system by Alibaba-backed DeepRoute.ai is driven on a street in Shenzhen, Guangdong province, China July 27, 2022. REUTERS/David Kirton 

Medical workers in protective suits collect swabs from residents at a nucleic acid testing site following the coronavirus disease (COVID-19) outbreak in Shenzhen, Guangdong province, China July 23, 2022. REUTERS/David Kirton 

A medical worker in a protective suit collects a swab from a resident at a nucleic acid testing site, following the coronavirus disease (COVID-19) outbreak in Shenzhen, Guangdong province, China July 22, 2022. REUTERS/David Kirton 

Residents line up to get tested for the coronavirus disease (COVID-19) at a nucleic acid testing site in Shenzhen, Guangdong province, China July 22, 2022. REUTERS/David Kirton 

Residents line up to get tested for the coronavirus disease (COVID-19) at a nucleic acid testing site in Shenzhen, Guangdong province, China July 22, 2022. REUTERS/David Kirton 

People line up to get tested for the coronavirus disease (COVID-19) at a nucleic acid testing site in Shenzhen, Guangdong province, China July 21, 2022. REUTERS/David Kirton 

A security guard sits outside a construction site in Shenzhen, Guangdong province, China July 16, 2022. REUTERS/David Kirton 

A man, wearing a face mask following the coronavirus disease (COVID-19) outbreak, sits with a child outside a shopping mall in Futian district of Shenzhen, Guangdong province, China July 16, 2022. REUTERS/David Kirton 

A man sits next to a shared bicycle under Shenzhen Bay Bridge leading to Hong Kong, in Shekou area of Shenzhen, Guangdong province, China July 6, 2022. REUTERS/David Kirton 

A high speed train travels between Caopu and the old tracks of the station to Hong Kong, in Shenzhen's Luohu district, Guangdong province, China July 5, 2022. REUTERS/David Kirton 

A woman poses for photos at a tourist attraction on the old rail route to Hong Kong, in Shenzhen's Luohu district, Guangdong province, China July 5, 2022. REUTERS/David Kirton 

Cars park beside Futian Checkpoint, one of the border crossings to Hong Kong, in Shenzhen, Guangdong province, China July 5, 2022. REUTERS/David Kirton 

A man holding an umbrella walks on a pedestrian bridge by surveillance cameras, near Caopu in Shenzhen's Luohu district, Guangdong province, China July 5, 2022. REUTERS/David Kirton 

A woman holding an umbrella walks on a pedestrian bridge by surveillance cameras, near Caopu in Shenzhen's Luohu district, Guangdong province, China July 5, 2022. REUTERS/David Kirton 

A cleaner works in Caopu, one of the villages that preceded Shenzhen's Special Economic Zone, in Luohu district of Shenzhen, Guangdong province, China July 5, 2022. REUTERS/David Kirton 

A couple hugs in front of fish ponds at the Hong Kong border facing skyscrapers in Shenzhen, ahead of the 25th anniversary of Hong Kong's handover to China from Britain, China June 21, 2022. Picture taken June 21, 2022. REUTERS/Tyrone Siu 

A man walks past containers at a port in Shenzhen, Guangdong province, China June 11, 2022. Picture taken June 11, 2022. REUTERS/David Kirton 

Workers stand near an excavator at a construction site in the Shekou area of Shenzhen, Guangdong province, China June 11, 2022. Picture taken June 11, 2022. REUTERS/David Kirton