Below is a video of Mr. Yau Shing-tung introducing Mr. Chen Shengshen this year.
From the Harvard University website, you can see information about some past mathematics lecture series.
https://cmsa.fas.harvard.edu/literature-lecture-series/
You can register here and you will receive invitations to the lecture series:
https://harvard.zoom.us/webinar/register/WN_9Qb6IBIfQ0ujujfLvue2eA
The video below is downloaded from
https://www.youtube.com/watch?v=YHQtmsGBsqs
Machine-translated from the Chinese original 陈省身-20世纪伟大的几何学家 (published 2020-09-29). WeChat original ↗