Ballbearings are pictured at the booth of Chinese company SYL from Shenyang during preparations for the annual industry trade fair Hannover Messe in Hanover, Germany April 16, 2023. REUTERS/Fabian Bimmer 

Ballbearings are pictured at the booth of Chinese company SYL from Shenyang during preparations for the annual industry trade fair Hannover Messe in Hanover, Germany April 16, 2023. REUTERS/Fabian Bimmer 

An employee works next to an excavator at a waste-sorting centre inside an industrial park in Shenyang, Liaoning province, China, September 30, 2021. REUTERS/Tingshu Wang 

Travellers line up to board a flight, ahead of China's National Day and Golden Week holiday, at Taoxian International Airport in Shenyang, Liaoning province, China September 30, 2021. REUTERS/Tingshu Wang 

Travellers line up at a ticket counter, ahead of China's National Day and Golden Week holiday, at Taoxian International Airport in Shenyang, Liaoning province, China September 30, 2021. REUTERS/Tingshu Wang 

Travellers look at the tarmac of the Taoxian International Airport, ahead of China's National Day and Golden Week holiday, in Shenyang, Liaoning province, China September 30, 2021. REUTERS/Tingshu Wang 

Travellers walk at Taoxian International Airport, ahead of China's National Day and Golden Week holiday, in Shenyang, Liaoning province, China September 30, 2021. REUTERS/Tingshu Wang 

A worker moves clean linen at a laundry in an industrial park in Shenyang, Liaoning province, China, September 30, 2021. REUTERS/Tingshu Wang 

A worker pulls out linen from a washing machine at a laundry in an industrial park in Shenyang, Liaoning province, China, September 30, 2021. REUTERS/Tingshu Wang 

Workers fold towels at a laundry in an industrial park in Shenyang, Liaoning province, China, September 30, 2021. REUTERS/Tingshu Wang 

A factory owner checks a diesel generator generating power for his laundry at an industrial park in Shenyang, Liaoning province, China, September 30, 2021. REUTERS/Tingshu Wang 

Workers gather dirty linen on a cart at a laundry in an industrial park in Shenyang, Liaoning province, China, September 30, 2021. REUTERS/Tingshu Wang 

A man walks past diesel generators in a courtyard of a generator rental company in Shenyang, Liaoning province, China, September 30, 2021. REUTERS/Tingshu Wang 

A worker sorts recycled waste at a waste-sorting centre inside an industrial park in Shenyang, Liaoning province, China, September 30, 2021. REUTERS/Tingshu Wang 

Machinery is seen at a factory specialising in heat treatment on metals, which is out of operation, at an industrial park in Shenyang, Liaoning province, China, September 30, 2021. REUTERS/Tingshu Wang 

A worker rides on a vehicle carrying pipes past an industrial park in Shenyang, Liaoning province, China, September 30, 2021. REUTERS/Tingshu Wang 

People stand at an industrial park in Shenyang, Liaoning province, China, September 30, 2021. REUTERS/Tingshu Wang 

A man walks past a workshop at an industrial park in Shenyang, Liaoning province, China, September 30, 2021. REUTERS/Tingshu Wang 

A diesel generator is placed in a courtyard of a generator rental company in Shenyang, Liaoning province, China, September 30, 2021. REUTERS/Tingshu Wang 

A truck moves past waste metal at a waste-sorting centre inside an industrial park in Shenyang, Liaoning province, China September 30, 2021. REUTERS/Tingshu Wang 

Iron products are seen stacked at an industrial park in Shenyang, Liaoning province, China September 30, 2021. REUTERS/Tingshu Wang 

Steel pipes are seen stacked at an industrial park in Shenyang, Liaoning province, China September 30, 2021. REUTERS/Tingshu Wang 

Steel pipes are seen stacked at an industrial park in Shenyang, Liaoning province, China September 30, 2021. REUTERS/Tingshu Wang 

Metal pipes are seen stacked at an industrial park in Shenyang, Liaoning province, China September 30, 2021. REUTERS/Tingshu Wang 

A sign of the Shengjing Bank is pictured at a branch store in Shenyang, Liaoning province, China September 30, 2021. REUTERS/Tingshu Wang 

A man walks past a branch of Shengjing Bank in Shenyang, Liaoning province, China September 30, 2021. REUTERS/Tingshu Wang 

A sign of the Shengjing Bank is pictured at a branch store in Shenyang, Liaoning province, China September 30, 2021. REUTERS/Tingshu Wang 

People walk past a branch of Shengjing Bank in Shenyang, Liaoning province, China September 30, 2021. REUTERS/Tingshu Wang 

China Energy coal-fired power plant is pictured in Shenyang, Liaoning province, China September 29, 2021. REUTERS/Tingshu Wang 

A general view of Shenyang city is pictured at night, in Liaoning province, China September 29, 2021. REUTERS/Tingshu Wang 

A truck transports coal at a coal-fired power plant in Shenyang, Liaoning province, China September 29, 2021. REUTERS/Tingshu Wang 

A chimney of a China Energy coal-fired power plant is pictured in Shenyang, Liaoning province, China September 29, 2021. REUTERS/Tingshu Wang 

A person walks near a China Energy coal-fired power plant in Shenyang, Liaoning province, China September 29, 2021. REUTERS/Tingshu Wang 

People walk past electricity pylons in Shenyang, Liaoning province, China September 29, 2021. REUTERS/Tingshu Wang 

An exterior view of a coal-fired power plant in Shenyang, Liaoning province, China September 29, 2021. REUTERS/Tingshu Wang 

A truck transports coal at a coal-fired power plant in Shenyang, Liaoning province, China September 29, 2021. REUTERS/Tingshu Wang 

People walk past a China Energy coal-fired power plant in Shenyang, Liaoning province, China September 29, 2021. REUTERS/Tingshu Wang 

Wu Guanzhuo, a 17-year-old Chinese environmental campaigner, attends a discussion as a guest speaker at the environmental protection club of a high school in Shenyang, Liaoning province, China June 10, 2019. Picture taken June 10, 2019. REUTERS/Martin Pollard 

Wu Guanzhuo, a 17-year-old Chinese environmental campaigner, takes part in an environmental awareness event outside a department store in Shenyang, Liaoning province, China June 9, 2019. Picture taken June 9, 2019. REUTERS/Martin Pollard 

Wu Guanzhuo, a 17-year-old Chinese environmental campaigner, gives an environment-themed speech to students at a morning assembly of a high school in Shenyang, Liaoning province, China June 10, 2019. Picture taken June 10, 2019. REUTERS/Martin Pollard 

Flags with the logo of BMW flutter at the venue of a ground breaking ceremony for a new BMW assembly plant, inside the BMW Brilliance Plant Tiexi, in Shenyang, Liaoning province, China October 11, 2018. REUTERS/Norihiko Shirouzu 

Harald Krueger, BMW Chief Executive, and Chen Qiufa, Communist Party Secretary of Liaoning province attend a signing and a ground breaking ceremony for a new assembly plant, inside the BMW Brilliance Plant Tiexi, in Shenyang, Liaoning province, China October 11, 2018. REUTERS/Norihiko Shirouzu 

Harald Krueger, BMW Chief Executive hugs Chen Qiufa, Communist Party Secretary of Liaoning province for a photo during a signing ceremony inside the BMW Brilliance Plant Tiexi, in Shenyang, Liaoning province, China October 11, 2018. REUTERS/Norihiko Shirouzu 

A sculpture of a bear performing circus stunt, created by arts professor Xie Yong and two of his students, is seen at a workshop of Shenyang University in Shenyang, Liaoning province, China April 5, 2018. The artwork, featuring three circus bears covered in needles, aims to highlight animal abuse in circuses and will be displayed at an art gallery in Beijing starting April 18. Picture taken April 5, 2018. REUTERS/Sheng Li 

Arts professor Xie Yong works on a needle-covered sculpture of a bear performing circus stunt at a workshop of Shenyang University in Shenyang, Liaoning province, China April 5, 2018. The artwork, featuring three circus bears covered in needles, aims to highlight animal abuse in circuses and will be displayed at an art gallery in Beijing starting April 18. Picture taken April 5, 2018. REUTERS/Sheng Li 

Arts professor Xie Yong and his students work on needle-covered sculptures of bears performing circus stunts at a workshop of Shenyang University in Shenyang, Liaoning province, China April 5, 2018. The artwork, featuring three circus bears covered in needles, aims to highlight animal abuse in circuses and will be displayed at an art gallery in Beijing starting April 18. Picture taken April 5, 2018. REUTERS/Sheng Li 

Arts professor Xie Yong and his student work on needle-covered sculptures of bears performing circus stunts at a workshop of Shenyang University in Shenyang, Liaoning province, China April 5, 2018. The artwork, featuring three circus bears covered in needles, aims to highlight animal abuse in circuses and will be displayed at an art gallery in Beijing starting April 18. Picture taken April 5, 2018. REUTERS/Sheng Li 

Needles are seen on a sculpture of a bear performing circus stunt, created by arts professor Xie Yong and two of his students, at a workshop at Shenyang University in Shenyang, Liaoning province, China April 5, 2018. The artwork, featuring three circus bears covered in needles, aims to highlight animal abuse in circuses and will be displayed at an art gallery in Beijing starting April 18. Picture taken April 5, 2018. REUTERS/Sheng Li 

The Pyongyang Restaurant is pictured in Shenyang's Xita District, Liaoning province, China November 1, 2017. Picture taken November 1, 2017. REUTERS/ Sue-Lin Wong 

Various types of chilli are displayed for sale at a market in Shenyang's Xita District, Liaoning province, China November 4, 2017. Picture taken November 4, 2017. REUTERS/ Sue-Lin Wong 

The Mudan Restaurant is pictured in Shenyang's Xita District, Liaoning province, China November 4, 2017. Picture taken November 4, 2017. REUTERS/ Sue-Lin Wong 

Kimchi and other food are sold at a market in Shenyang's Xita District, Liaoning province, China November 1, 2017. Picture taken November 1, 2017. REUTERS/ Sue-Lin Wong 

Shenyang railway station is pictured in Shenyang, Liaoning province, China November 2, 2017. Picture taken November 2, 2017. REUTERS/ Sue-Lin Wong 

The Pyongyang Restaurant is pictured in Shenyang's Xita District, Liaoning province, China November 4, 2017. Picture taken November 4, 2017. REUTERS/ Sue-Lin Wong 

A North Korean Department Store is pictured in Shenyang's Xita District, Liaoning province, China November 4, 2017. Picture taken November 4, 2017. REUTERS/ Sue-Lin Wong 

People walk past the Chilbosan Hotel in Shenyang, Liaoning province, China November 1, 2017. Picture taken November 1, 2017. REUTERS/ Sue-Lin Wong 

The Chilbosan Hotel is pictured in Shenyang, Liaoning province, China November 4, 2017. Picture taken November 4, 2017. REUTERS/ Sue-Lin Wong 

North Koreans perform at the Pyongyang Restaurant in Shenyang's Xita District, Liaoning province, China October 31, 2017. Picture taken October 31, 2017. REUTERS/ Sue-Lin Wong 

Dried walleye pollocks from North Korea are displayed for sale at a market in Shenyang's Xita District, Liaoning province, China November 1, 2017. Picture taken November 1, 2017. REUTERS/ Sue-Lin Wong 

Liu Xiaoguang, the older brother of deceased Chinese Nobel Peace Prize-winning dissident Liu Xiaobo, addresses reporters in Shenyang, China July 15, 2017. REUTERS/Joseph Campbell