Chinese President Xi Jinping and King Salman bin Abdulaziz Al Saud of Saudi Arabia co-sign in person the comprehensive strategic partnership agreement between the People's Republic of China and the Kingdom of Saudi Arabia, and agree to take turns to host biennial meetings between the heads of state of the two countries, at Riyadh's al-Yamamah Palace in Saudi Arabia, Dec. 8, 2022. Chinese President Xi Jinping met with King Salman bin Abdulaziz Al Saud of Saudi Arabia on Thursday. (Xinhua/Huang Jingwen)