A women drink outside the disco bar on September 18, 2020 in Wuhan, Hubei province, China. As there have been no recorded cases of community transmission in Wuhan since May, life for residents is returning to normal. (Photo by Getty Images)

A cat sits on the empty Great Wall on February 23, 2021 in Beijing, China. Affected by the new coronavirus (COVID-19), the number of visitors to Mutianyu Great Wall in 2020 dropped by about 60%. (Photo by Lintao Zhang/Getty Images)

A girl wearing a mask to help curb the spread of the corona virus runs through a fountain in Beijing, China, Thursday, August 26, 2021. (Photo by Ng Han Guan/AP Photo)

A woman wearing a face mask to help curb the spread of the coronavirus stretches her body next to a masked woman sitting on a bench outside a shopping mall in Beijing, Thursday, October 21, 2021. (Photo by Andy Wong/AP Photo)

Freshmen in Zhengzhou Institute of Aeronautical Industry Management head bottles of mineral water for upright stand during military training on September 17, 2015 in Zhengzhou, Henan Province of China. More than 6,800 freshmen in the school are required to take part in the military training. (Photo by ChinaFotoPress/ChinaFotoPress via Getty Images)

The lightest material ever made has been produced by a team of scientists in China, a Chinese university announced.

Villagers from Jiexi Jiantan village perform a ritual of “Zha Laoye”, or “Cracking local spirits”, in Chaoshan, Guangdong Province, China, 10 February 2019. Jiexi Jiantan Village celebrates the annual custom of “Zha Laoye” where Laoye are local spirits. Every third day of the lunar New Year, statues of local spirits known as the “Thousand-mile Eye” Laoye and “Ear Following the Wind” Laoye are brought out to the village committee to receive incensed tea offered by believers. (Photo by EPA/EFE/ZNSEN)

Folk artists perform at an local opera ahead of Lantern Festival to celebrate Lunar New Year, in Tianshui, Gansu province, China, February 10, 2017. (Photo by Reuters/Stringer)