2021年CRI 2020年十大世界新闻年终回顾（3）（在线收听）

Year-end review for top ten science stories of 2020

Despite the COVID-19 pandemic, China and the world have continued to make breakthroughs in scientific development in 2020. China Media Group has chosen its top 10 domestic and international science stories of the year, which include the Chang'e 5 lunar sample return mission, the launch of the Mars probe Tianwen-1, and the development of coronavirus vaccines.