evidence: Hyesan (Korean pronunciation: [he.san]) is a city in the northern part of Ryanggang province of North Korea. It is a hub of river transportation as well as a product distribution centre. It is also the administrative centre of Ryanggang Province. As of 2008, the population of the city is 192,680. [...] Geography [edit]The city is located in the Paektu Mountains at the border with the People's Republic of China (Jilin province), from which it is separated by the Yalu (Amrok) River. Changbai is the closest Chinese city across the river. [...] Notable people [edit]- Yeonmi Park (b. 1993), activist and defector, escaped North Korea in 2007.