A resident peers from behind a fan as he joins a crowd gathered outside the United States Consulate in Chengdu in southwest China's Sichuan province on Sunday, July 26, 2020. (Photo by Ng Han Guan/AP Photo)





The rocket carrying China's Tianwen-1 Mars rover is seen after liftoff in Wenchang, Hainan province, China, 23 July 2020. The rover was lifted off by a Long March 5 rocket on Hainan Island and it is expected to reach Mars in February 2021. (Photo by EPA/EFE/China Stringer Network)





A security guard adjusts his mask near an exhibition of rovers and bio-domes on Mars in Beijing Thursday, July 23, 2020. China launched its most ambitious Mars mission yet on Thursday in a bold attempt to join the United States in successfully landing a spacecraft on the red planet. The Tianwen-1 was launched on a Long March-5 carrier rocket from a launch site on Hainan Island. (Photo by Ng Han Guan/AP Photo)





An enthusiast practices Tai Chi Swords (or Taijijian) on the beach on July 20, 2020 in Yantai, Shangdong Province of China. (Photo by Tang Ke/VCG via Getty Images)





A woman adjusts her face mask as she walks by a graffiti artwork on display outside a mall in Beijing, Monday, July 20, 2020. China's latest coronavirus outbreak has spread to a second city in the northwestern region of Xinjiang. (Photo by Andy Wong/AP Photo)





Chinese paramilitary policemen march near the United States Consulate in Chengdu in southwest China's Sichuan province on Sunday, July 26, 2020. China ordered the United States on Friday to close its consulate in the western city of Chengdu, ratcheting up a diplomatic conflict at a time when relations have sunk to their lowest level in decades. (Photo by Ng Han Guan/AP Photo)





People wearing face masks to protect against the new coronavirus look at the movable penguin figures on display inside a mall in Beijing, Monday, July 20, 2020. China's latest coronavirus outbreak has spread to a second city in the northwestern region of Xinjiang. (Photo by Andy Wong/AP Photo)





Farmers in Guang 'an city, Sichuan Province, make full use of Tiankan and Tianbian corner to plant cash crops such as corn, sorghum and beans, which not only invigorate the land, but also increase grain income. This spring, the city planted more than 100,000 mu of corncorn, although the epidemic and summer flood affected, but under careful management, this summer is still a bumper harvest. The golden corn adorned the farmhouse with extra beauty and peace. Picture taken on July 24, 2020. (Photo by Sipa Asia/Rex Features/Shutterstock)





This photo taken on July 19, 2020 shows the Guanyinge temple, a 700-year old temple built on a rock, in the swollen Yangtze River in Wuhan in China's central Hubei province. Heavy rains since June have left at least 141 people dead and missing, forced nearly 15 million people to be evacuated from their homes in July alone, and caused billions of dollars in economic losses, according to the government. (Photo by AFP Photo/China Stringer Network)





In this image made with fisheye lens and provided by Xinhua News Agency, floodwaters are discharged at the Three Gorges Dam in central China's Hubei province on Sunday, July 19, 2020. Authorities in the neighboring province of Anhui blasted a dam Sunday to release surging waters behind it amid widespread flooding across the country that has claimed scores of lives. (Photo by Xiao Yijiu/Xinhua via AP Photo)





An elderly man wearing a mask to curb the spread of the coronavirus pulls along a shopping cart past delivery men gathered for a briefing before work in Beijing Thursday, July 23, 2020. (Photo by Ng Han Guan/AP Photo)





A Hong Kong Cafe, known as a “yellow shop” because its owners expressed sympathy for protesters, has a wall decorated with blank post-it notes in Hong Kong Thursday, July 9, 2020. Stores that supported the protest movement by putting up protest artwork and sticky notes filled with words of encouragement from customers have since taken them down, out of fear that its contents could land them in trouble with the authorities. Instead, they have put up blank sticky notes as a way to show solidarity with the movement. (Photo by Vincent Yu/AP Photo)





Firefighters work at the site where an Ethiopian Airlines cargo plane caught fire, at Shanghai Pudong International Airport in Shanghai, China on July 22, 2020. (Photo by Aly Song/Reuters)





A pro-democracy demonstrator holds a paper with a symbol of “Five demands, not one less” during a protest to mark the first anniversary of an attack in a train station by an armed crowd wearing white shirts, demanding justice for the victims of violence and broader freedoms, at a shopping mall in Hong Kong's Yuen Long, China on July 21, 2020. (Photo by Tyrone Siu/Reuters)





Residents gather outside the United States Consulate in Chengdu in southwest China's Sichuan province on Sunday, July 26, 2020. (Photo by Ng Han Guan/AP Photo)





People wearing face masks following the coronavirus disease (COVID-19) outbreak walk under a Chinese flag at Beijing Daxing International Airport in Beijing, China on July 24, 2020. (Photo by Thomas Suen/Reuters)





A woman wearing a face mask to protect against the new coronavirus walks by lotus flowers on sale on a street in Beijing, Wednesday, July 22, 2020. (Photo by Andy Wong/AP Photo)





A man wearing a face mask to protect against the new coronavirus sits in the sun at a park in Hong Kong, Wednesday, July 22, 2020. Hong Kong is facing a “critical stage” in its fight against COVID-19, and the government is extending anti-virus measures, Health Secretary Sophia Chan said Wednesday. Hong Kong has made it mandatory to wear masks on public transport, in indoor areas and passenger terminals. (Photo by Kin Cheung/AP Photo)





A food delivery man wearing a face mask to protect against the new coronavirus stands behind a barricade line passing a foods to a masked woman outside an office building in Beijing, Wednesday, July 22, 2020. Numbers of cases in China's latest virus outbreak continued to fall Wednesday, with several new cases in the northwestern region of Xinjiang. (Photo by Andy Wong/AP Photo)





This photo taken on July 19, 2020 shows a security guard looking at his smartphone while water is released from the Three Gorges Dam, a gigantic hydropower project on the Yangtze river, to relieve flood pressure in Yichang, central China's Hubei province. Rising waters across central and eastern China have left over 140 people dead or missing, and floods have affected almost 24 million since the start of July, according to the ministry of emergency management. (Photo by AFP Photo/China Stringer Network)