A giant screen shows a view of earth from the Tianhe core module of China's space station, at a shopping mall in Beijing, China June 18, 2021. REUTERS/Thomas Peter

A giant screen shows Chinese astronauts Nie Haisheng (C), Liu Boming (R), and Tang Hongbo of the Shenzhou-12 mission saluting inside the Tianhe core module of China's space station, at a shopping mall in Beijing, China June 18, 2021. REUTERS/Thomas Peter

A giant screen shows an image of the Shenzhou-12 manned spacecraft having successfully docked with the Tianhe core module of China's space station, at a shopping mall in Beijing, China June 18, 2021. REUTERS/Thomas Peter

A giant screen shows an image of the Shenzhou-12 manned spacecraft having successfully docked with the Tianhe core module of China's space station, at a shopping mall in Beijing, China June 18, 2021. REUTERS/Thomas Peter

A giant screen shows Chinese astronauts Nie Haisheng (C), Liu Boming (R), and Tang Hongbo of the Shenzhou-12 mission saluting inside the Tianhe core module of China's space station, at a shopping mall in Beijing, China June 18, 2021. REUTERS/Thomas Peter

People take pictures of an installation marking the upcoming 100th founding anniversary of the Communist Party of China, in Beijing, China, June 16, 2021. REUTERS/Thomas Peter

A worker installs plants at an installation marking the upcoming 100th founding anniversary of the Communist Party of China in front of an office building, in Beijing, China, June 16, 2021. REUTERS/Thomas Peter

People walk past an installation marking the upcoming 100th founding anniversary of the Communist Party of China, in Beijing, China, June 16, 2021. REUTERS/Thomas Peter

A woman takes pictures of an installation marking the upcoming 100th founding anniversary of the Communist Party of China, in Beijing, China, June 16, 2021. REUTERS/Thomas Peter

People walk past an installation marking the upcoming 100th founding anniversary of the Communist Party of China, in Beijing, China, June 16, 2021. REUTERS/Thomas Peter

People walk past an installation marking the upcoming 100th founding anniversary of the Communist Party of China, in Beijing, China, June 16, 2021. REUTERS/Thomas Peter

People walk past an installation marking the upcoming 100th founding anniversary of the Communist Party of China, in Beijing, China, June 16, 2021. REUTERS/Thomas Peter

Tourists walk across a road to attend a flag-raising ceremony at Tiananmen Square, in Beijing, China June 16, 2021. REUTERS/Tingshu Wang

Tourists gesture to the camera as they wait for a flag-raising ceremony at Tiananmen Square, in Beijing, China June 16, 2021. REUTERS/Tingshu Wang

A family poses for pictures at Tiananmen Square, in Beijing, China June 16, 2021. REUTERS/Tingshu Wang

Tourists are seen at Tiananmen Square , in Beijing, China June 16, 2021. REUTERS/Tingshu Wang

Tourists holding Chinese national flags are seen at Tiananmen Square, in Beijing, China June 16, 2021. REUTERS/Tingshu Wang

Members of a Taichi club practice Taichi during a video shooting session at Tiananmen Square, in Beijing, China June 16, 2021. REUTERS/Tingshu Wang

A man cycles past the Tiananmen Square, in Beijing, China June 16, 2021. REUTERS/Tingshu Wang

Tourists are seen near the Great Hall of the People, at Tiananmen Square, in Beijing, China June 16, 2021. REUTERS/Tingshu Wang

A woman jogs past the National Centre for the Performing Arts (NCPA) in Beijing, China June 16, 2021. REUTERS/Tingshu Wang

Tourists are seen in front of Tiananmen Gate in Beijing, China June 16, 2021. REUTERS/Tingshu Wang

Tourists stand at Tiananmen Square, in Beijing, China June 16, 2021. REUTERS/Tingshu Wang

Men jog past the National Centre for the Performing Arts (NCPA) in Beijing, China June 16, 2021. REUTERS/Tingshu Wang

FILE PHOTO: Markis Kido of Indonesia celebrates after winning the gold medal in the men's doubles badminton at the Beijing 2008 Olympic Games, China August 16, 2008. REUTERS/Beawiharta/File Photo

Tourists are seen near a portrait of China's late Chairman Mao Zedong at Tiananmen Square, in Beijing, China June 16, 2021. REUTERS/Tingshu Wang

Tourists holding Chinese national flags are seen at Tiananmen Square, in Beijing, China June 16, 2021. REUTERS/Tingshu Wang

Members of Chinese People's Liberation Army (PLA) attend a flag-raising ceremony at Tiananmen Square, in Beijing, China June 16, 2021. REUTERS/Tingshu Wang

Tourists wait before a flag-raising ceremony at Tiananmen Square, in Beijing, China June 16, 2021. REUTERS/Tingshu Wang

Members of Chinese People's Liberation Army (PLA) attend a flag-raising ceremony at Tiananmen Square, in Beijing, China June 16, 2021. REUTERS/Tingshu Wang

A tourist uses his phone near a portrait of China's late Chairman Mao Zedong at Tiananmen Square, in Beijing, China June 16, 2021. REUTERS/Tingshu Wang

Family members wait outside a high school as students take part in the annual national college entrance exam, or "gaokao”, in Beijing, China June 7, 2021. REUTERS/Tingshu Wang

A student hugs her family member after an exam as part of the annual national college entrance exam, or "gaokao”, in Beijing, China June 7, 2021. REUTERS/Tingshu Wang

A student walks towards her family member after an exam as part of the annual national college entrance exam, or "gaokao”, in Beijing, China June 7, 2021. REUTERS/Tingshu Wang

A student leaves a high school with her parents after an exam as part of the annual national college entrance exam, or "gaokao”, in Beijing, China June 7, 2021. REUTERS/Tingshu Wang

Teachers cheer for their students as they enter a high school to take part in the annual national college entrance exam, or "gaokao", in Beijing, China June 7, 2021. REUTERS/Tingshu Wang

A student poses for a photo for her parent before entering the exam venue to take part in the annual national college entrance exam, or "gaokao", in Beijing, China June 7, 2021. REUTERS/Tingshu Wang

A student hugs her friend before entering the exam venue to take part in the annual national college entrance exam, or "gaokao", in Beijing, China June 7, 2021. REUTERS/Tingshu Wang TPX IMAGES OF THE DAY

A parent interacts with her child before the start of the annual national college entrance exam, or "gaokao", in Beijing, China June 7, 2021. REUTERS/Tingshu Wang

Parents react as the students walk to their exam venue to take part in the annual national college entrance exam, or "gaokao", in Beijing, China June 7, 2021. REUTERS/Tingshu Wang

Students set up banners to cheer for the exam attendees taking part in the annual national college entrance exam, or "gaokao", in Beijing, China June 7, 2021. REUTERS/Tingshu Wang

A security guard is seen at an aisle for exam attendees to enter the high school to take part in the annual national college entrance exam, or "gaokao", in Beijing, China June 7, 2021. REUTERS/Tingshu Wang

A student hugs her friend before entering the exam venue to take part in the annual national college entrance exam, or "gaokao", in Beijing, China June 7, 2021. REUTERS/Tingshu Wang

People are seen outside a high school as students enter to take part in the annual national college entrance exam, or "gaokao", in Beijing, China June 7, 2021. REUTERS/Tingshu Wang REFILE - REMOVING EXTRANEOUS WORDS

A student walks toward the exam venue to take part in the annual national college entrance exam, or "gaokao", as students from the lower grades cheer him up, in Beijing, China June 7, 2021. REUTERS/Tingshu Wang

Teachers cheer up their students as they enter the exam venue to take part in the annual national college entrance exam, or "gaokao", in Beijing, China June 7, 2021. REUTERS/Tingshu Wang

A student hugs her friends as they enter the exam venue to take part in the annual national college entrance exam, or "gaokao", in Beijing, China June 7, 2021. REUTERS/Tingshu Wang

Teachers cheer for their students as they enter a high school to take part in the annual national college entrance exam, or "gaokao", in Beijing, China June 7, 2021. REUTERS/Tingshu Wang

Security personnel check the students? exam admission tickets as they enter to take part in the annual national college entrance exam, or "gaokao", in Beijing, China June 7, 2021. REUTERS/Tingshu Wang

Tourists line up at a security check to enter Tiananmen Square in front of the National Museum of China in Beijing, China, June 3, 2021. Picture shot through a window. REUTERS/Thomas Peter

People cycle in Tiananmen Square in Beijing, China, June 3, 2021. Picture shot through a window. REUTERS/Thomas Peter

Police officers patrol in Tiananmen Square in Beijing, China, June 3, 2021. Picture shot through a window. REUTERS/Thomas Peter

A police officer patrols in Tiananmen Square in front of a portrait of late Chinese chairman Mao Zedong in Beijing, China, June 3, 2021. Picture shot through a window. REUTERS/Thomas Peter

A sign of Huawei's operating system HarmonyOS is seen at a Huawei store in Beijing, China June 3, 2021. REUTERS/Tingshu Wang

A man walks past a Huawei store in Beijing, China June 3, 2021. REUTERS/Tingshu Wang

Customers check a Huawei Smart Selection Seres SF5 electric vehicle (EV) at a Huawei store in Beijing, China June 3, 2021. REUTERS/Tingshu Wang

People walk past a Huawei store in Beijing, China June 3, 2021. REUTERS/Tingshu Wang

A Huawei Mate 40 smartphone installed with Huawei’s operating system HarmonyOS is displayed at a Huawei store in Beijing, China June 3, 2021. REUTERS/Tingshu Wang

Customers look at a smartphone product next to a sign of Huawei’s operating system HarmonyOS at a Huawei store in Beijing, China June 3, 2021. REUTERS/Tingshu Wang

A Huawei Mate 40 smartphone installed with Huawei’s operating system HarmonyOS is displayed at a Huawei store in Beijing, China June 3, 2021. REUTERS/Tingshu Wang