Chinese President Xi Jinping, also general secretary of the Communist Party of China Central Committee and chairman of the Central Military Commission, visits the Jiayu Pass, a famed part of the Great Wall in Jiayuguan City, during his inspection tour of northwest China's Gansu Province, Aug. 20, 2019. Xi also listened to an introduction to the historical and cultural background of the Great Wall and the passes in the Hexi Corridor, part of the ancient Silk Road in northwest China. [Photo/Xinhua]