(240422) -- CHENGDU, April 22, 2024 (Xinhua) -- Pei Xiangjun (C) and his team pose for a group photo at the campus of Chengdu University of Technology in Chengdu, southwest China's Sichuan Province, April 20, 2024. Jiuzhaigou National Park, a UNESCO World Heritage site famous for its spectacular waterfalls, lush forests and serene plateau lakes, was hit by a 7.0-magnitude quake on Aug. 8, 2017. After the earthquake, a team led by professor Pei Xiangjun from Chengdu University of Technology carried out protection and restoration work of the natural heritage site. After years of post-quake reconstruction, the once scarred Jiuzhaigou has regained its glory. (Xinhua/Liu Kun)