Chinese President Xi Jinping, also general secretary of the Communist Party of China Central Committee and chairman of the Central Military Commission, checks the Yellow River's waterways and learns about the ecological protection and high-quality development of the Yellow River basin at a dock as he inspects the estuary of the Yellow River in the city of Dongying, East China's Shandong Province, Oct 20, 2021. [Xinhua/Xie Huanchi]