Original sentence: The Ch'ŏllima Line runs from Kwangbok Station in the southwest to Rakwon station in the northeast.The Hyŏksin Line runs north, from Puhun Station on the banks of the Taedong to Pulgunbyol Station.The Pyongyang Metro (MTR) is a metro system in Pyongyang, North Korea, consisting of two lines
Edited sentence: The Ch'ŏllima ( Line runs from Kwangbok Station in the southwest to Rakwon station in the northeast.The Hyŏksin  Line runs north, from Puhun Station on the banks of the Taedong to Pulgunbyol Station.The Pyongyang Metro (MTR) () is a metro system in Pyongyang, North Korea, consisting of two lines