ocr: - - - - J - NorthKorea (North kuhl REE uh) 25 - - - - - - - - - 6 4 Capital Currency Won Pyongyang - - - - - à - f - Language Korean Physical Feature The Yalu River lies on the border between China and North Korea. Landmark Paektu-san volcano is the highest mountaininall of :e Korea at 9,003 feet (2,700 m). - Did you know! Korea was once known as the Hermit Kingdom" because it was closed to - - foreigners for almost 200 years. - - - - - - e - - - o* -