2025 has been a year of global change, and a busy one for China's diplomacy, both with its neighbors and the wider world. From Southeast Asia to Central Asia, and from commemorative events in Russia to multilateral APEC meetings in the Republic of Korea, President Xi Jinping's overseas visits have strengthened high-level engagement, promoting stability, development, and cooperation. CGTN's Zhao Yunfei takes a closer look at China's key diplomatic milestones this year.