Kim Jong Un, chairman of the Workers' Party of Korea and chairman of the State Affairs Commission of the Democratic People's Republic of Korea, visits a Tong Ren Tang pharmaceutical plant in Yizhuang, Beijing, capital of China, where he inspected relevant processing and production lines of traditional Chinese medicine using traditional and modern techniques, Jan. 9, 2019. Xi Jinping, general secretary of the Central Committee of the Communist Party of China and Chinese president, held talks on Tuesday with Kim Jong Un, who arrived in Beijing on the same day for a visit to China. (Xinhua/Xie Huanchi)