A Panda enjoys sunbathing in Hongshan Forest Zoo, Nanjing City, east China's Jiangsu Province. /CFP

A robot makes coffee for visitors at the Mobile World Congress (MWC), one of the largest mobile communication events in the world, which kicked off in Shanghai, February 23, 2021. /CFP

The National Medical Products Administration gives conditional approval of single-shot COVID-19 vaccine from CanSino Biologics, February 25, 2021. /CanSino website

An official with Tianqiao Street Office in Beijing watches a live broadcast of the national commendation conference at the Great Hall of the People in Beijing to honor contributors to the country's poverty eradication work, February 25, 2021. /CFP

Traditional lanterns and art installations light up the Qinghuai River in Nanjing City, of east China's Jiangsu Province, February 26, 2021. /CFP

A lunar soil sample collected in 2020 by China's Chang'e-5 lunar lander makes its public debut at the opening ceremony in the National Museum of China in Beijing, February 27, 2021. /CFP

Tsinghua University conducts nucleic acid tests on the last batch of students returning from their hometowns, February 27, 2021, as a new university semester begins. /CFP