摘要：
The origin of Cosmic Rays is still under debate and gamma-ray observations is a unique tool in this field. Recently, LHAASO have openned a new window in Ultra-High-Energy gamma-ray astronomy and shed light on the Cosmic ray origins.The speaker will introduce the LHAASO results and other progresses in gamma-ray astronomy, as well as their implications on the Cosmic Ray science. The speaker will also talk about  the prospect and future projects in gamma-ray astronomy. 

个人介绍：
Prof. Ruizhi Yang got the Bachelor degree in theoretical physics in University of Science and Technology of China (USTC) in 2007. He obtained his PhD in Purple mountain observatory in 2013. After 6 years postdoc career in Max-plank-institute for nuclear physics in Heidelberg, Germany, he joined the department of astronomy in USTC. His research interests are gamma-ray astronomy and cosmic ray science.

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