This aerial photo taken on April 19, 2021 shows farmers planting okra at a field in Nantong, in China's eastern Jiangsu province. (Photo by AFP Photo/China Stringer Network)





A man takes medicines, removing his face mask near tulips outside a commercial office building in Beijing, Monday, April 19, 2021. (Photo by Andy Wong/AP Photo)





Schoolchildren dance during a music class at a primary school in Awati Township in Kashgar in western China's Xinjiang Uyghur Autonomous Region, as seen during a government organized trip for foreign journalists, Monday, April 19, 2021. A human rights group is appealing to the United Nations to investigate allegations China's government is committing crimes against humanity in the Xinjiang region. Human Rights Watch cited reports of the mass detention of Muslims, a crackdown on religious practices and other measures against minorities in the northwestern region. (Photo by Mark Schiefelbein/AP Photo)





A woman in a bridal outfit walks as she poses for wedding photos in the old city in Kashgar in western China's Xinjiang Uyghur Autonomous Region, as seen during a government organized trip for foreign journalists, Monday, April 19, 2021. (Photo by Mark Schiefelbein/AP Photo)





Tourists pose for photos with a camel outside the Id Kah Mosque in Kashgar in western China's Xinjiang Uyghur Autonomous Region, as seen during a government organized trip for foreign journalists, Monday, April 19, 2021. (Photo by Mark Schiefelbein/AP Photo)





A visitor looks at the BMW Vision Next concept car displayed during the Shanghai Auto Show in Shanghai on Monday, April 19, 2021. Automakers are looking to China, their biggest market by sales volume and the first major economy to rebound from the pandemic, to revive sales and reverse multibillion-dollar losses. (Photo by Ng Han Guan/AP Photo)





Promoters for Toyota prepare for duty during the Shanghai Auto Show in Shanghai on Monday, April 19, 2021. (Photo by Ng Han Guan/AP Photo)





A visitor looks at the NIO eve concept car displayed during the Shanghai Auto Show in Shanghai on Monday, April 19, 2021. (Photo by Ng Han Guan/AP Photo)





Receptionists wait for visitors at the booth for Chinese luxury auto brand Hongqi at the Shanghai Auto Show in Shanghai on Tuesday, April 20, 2021. Automakers are looking to China, the biggest auto market by sales volume and the first major economy to rebound from the pandemic, to propel a revival in demand and reverse multibillion-dollar losses. (Photo by Ng Han Guan/AP Photo)





A man uses his arms to compare to the mini size of the GM's Wuling joint venture electric Macaron during the Shanghai Auto Show in Shanghai on Monday, April 19, 2021. (Photo by Ng Han Guan/AP Photo)





A worker prepares for press day at the Audi booth during Shanghai Auto Show in Shanghai on Monday, April 19, 2021. (Photo by Ng Han Guan/AP Photo)





Attendees pass by a vehicle from the GAC Group displayed during the Shanghai Auto Show in Shanghai on Monday, April 19, 2021. (Photo by Ng Han Guan/AP Photo)





Dancers wait to perform at the International Grand Bazaar in Urumqi, western China's Xinjiang Uyghur Autonomous Region during a government organized trip for foreign journalists, 21 April 2021. With the population more than 3.5 million, Urumqi is the capital of the Xinjiang Uyghur Autonomous Region, which was a major hub on the Silk Road during China's Tang dynasty and developed its reputation as a leading cultural and commercial center during the Qing dynasty in the 19th century. Now, it became a regional transport node and a cultural, political and commercial center in western China. (Photo by Wu Hong/EPA/EFE)





People wearing face masks to help curb the spread of the coronavirus walk by masked residents lining up for COVID-19 vaccine at a vaccination site with a board displaying the slogan, “Timely vaccination to build the Great Wall of Immunity together” in Beijing, Wednesday, April 21, 2021. (Photo by Andy Wong/AP Photo)





This aerial photo taken on April 19, 2021 shows abandoned public shared bicycles at a lot in Shenyang in China's northeastern Liaoning province. (Photo by AFP Photo/China Stringer Network)





In this March 1, 2016, file photo, food delivery workers from Meituan, an E-commerce company, prepare to deliver orders placed online from a center in Beijing. Chinese food delivery giant Meituan said this week it raised nearly $10 billion in a sale of convertible bonds and additional shares and plans to invest those funds in developing and expanding delivery technologies. (Photo by Andy Wong/AP Photo/File)





Members of the special operations team conduct a building climbing training in Qinzhou, south China's Guangxi Zhuang Autonomous Region, April 13, 2021. (Photo credit should read Costfoto/Barcroft Media via Getty Images)





A reader purchases books at Librairie Avant-Garde bookshop on April 18, 2021 in Nanjing, Jiangsu Province of China. (Photo by Yang Suping/VCG via Getty Images)





The Saint Sophia Cathedral is seen during a snowfall on April 12, 2021 in Harbin, Heilongjiang Province of China. (Photo by VCG/VCG via Getty Images)





A man wears a protective mask as he takes photos during a seasonal sandstorm on April 15, 2021 in Beijing, China. China's capital and the northern part of the country typically experience sandstorms that originate in the Gobi desert, but scientists believe that climate change and desertification also plays a role in their frequency and intensity. (Photo by Kevin Frayer/Getty Images)