From 7 to 10 July 2026, Gan and Shizhen visited Guiyang to attend the symposium on the frontiers and future development of geochemistry, held in celebration of the 60th anniversary of the Institute of Geochemistry, Chinese Academy of Sciences. During the symposium, Gan delivered a keynote presentation entitled “Isotopic Tracing of Black Carbon in the Environment.” After the conference, they visited Tianhetan with Xuyue, Lin Tian, and Zhang Hui, enjoying the beautiful karst landscape and a relaxing time together. Guiyang also proved to be a true paradise for food lovers!