Golden fall 2026 - Xiangqi, Yuanzhuo, Yongxuan, Yiling, Feng, Jinghui, Mei, Zijin.


Golden fall 2026 - Xie, Xiangqi, Yuanzhuo, Yiling, Yongxuan, Feng, Mei, Jinghui, Zijin.


July 2026 - field trip in Tibetan Plateau.


July 2026 - ground ice (gray color) exposed at the head scarp of a gully in Tibetan Plateau!


July 2026 - head of one thermokarst process - gully.


Oct 2025 - Yuqi's BD - Mei, Jinghui, Yuqi, Xie, Yiling | Yongxuan, Yuanzhuo, Yi, and Feng.


Oct 2025 - workshop host by NHRS lab about Remote Sensing AI empowered natural hazards research.


Oct 2025 - Logistic team from NHRS - Yuqi, Yuanzhuo, Yiling, Yi, Xie, Jinghui, Mei, Feng, and Yongxuan.


Oct 2025 - HOTPOT - Yi, Yuqi, Xie, Yiling, Yige, Jinghui, Feng, and Mei.


Sept 2025 - InSAR friends (also mentors for Xie) - from left to right - Zhong Lu, Mahdi Motagh, Xie Hu, and Cunren Liang.


Sept 2025 - first row from left to right - Mei, Yuqi, Yiling, Feng, and Yuanzhuo. Second row - Fan, Ligong, Yongxuan, Jinghui, Yi, Xie, Mahdi, Zhong, Cunren, Wei, Haonan, Yuhang, and Kunyi.


Sept 2025 - Yiling, Yuqi, Wei, Cunren, Zhong, Mahdi, Xie, Haonan, Jinghui, Mei, and Feng.


Sept 2025 - gifts to all from Yuanzhuo. Made of rocks from Mountain Tai.


Sept 2025 - watch living-streaming video of the parade together in our group meeting.


Fieldwork at the Slumgullion landslide in May 2025.


Zhuoyi (Joey), Xie, Ryan, and Liwei.


Not easy!


Meal at the PKU Faculty Club before 2025 New Year - from left to right - Feng, Yi, Yongxuan, Xie, Yuqi, Yiling, and Jinghui.


2024 Mid-autumn Festival - from left to right around the table - Yiling, Penghui, Xie, Feng, Yi, Yuqi, Yongxuan, and Jinghui.


Hotpot buffet before 2024 Chinese New Year, the time of Yongxuan's birthday - from left to right - Penghui, Yiling, Yongxuan, Yusa, Xie, Sayyed, Feng, Mei, and Yuqi.


2023 Mid-autumn Eve - from left to right - standing: Sayyed, Feng - sitting: Penghui, Yuqi, Yongxuan, Yiling, and Xie. Yongxuan, Yuqi, and Sayyed brought mooncakes to share.


2023 Teachers' Day - from left to right - Sayyed, Xie, Yuqi, Yiling, Yongxuan, Penghui, and Feng.


Summer 2023 - field work in summertime in Penghui’s hometown Lvliang with numerous landslides - Selfie taken by the drone - from left to right - Yuqi, Yiling, and Penghui.


July 2023 - field work on retrogressive thaw slumps in Wudaoliang, Qinghai Province, Tibetan Plateau. Yiling was standing in front of an emergent toe of the slump.


Summer 2023 - drone survey training in Tianjin - one session in July and another in August 2023.


Virtual group meeting before 2023 Chinese New Year - from top to bottom, from left to right - Yuqi, Xie, Yiling, Sayyed, Yongxuan, Xiao, Penghui. You may note that we were not really ready for this first group photo in various types of pajamas and hairstyle (≧﹏≦)