On September 11th, Prof. Torsten Beweries and Prof. Fabian Reiß from the University of Rostock, Germany, were invited to visit Peking University by Prof. Zhang. They toured our research facilities, had a group photo session with teachers and students, and delivered informative academic presentations at the Chemistry Building in the afternoon. To conclude the visit, Prof. Xi, Prof. Zhang, Prof. Huang, and Dr. Wei joined them for a group photo, cementing the bonds of collaboration and knowledge exchange.