Handover ceremony for the Directors of the Institute of Astronomy and Astrophysics, Academia Sinica on September 9, 2021. Acting Director Shiang-Yu Wang concluded his tenure, and Ue-Li Pen took over as the new Director. The handover ceremony was overseen by President James C. Liao. (Left to right: Acting Director Shiang-Yu Wang, President James C. Liao, Director Ue-Li Pen)

Source：Institute of Astronomy and Astrophysics