Question: Pongdong Station is a railway station located in Pongsan County, North Hwanghae province, North Korea, in operational reality it ends at Kaesŏng due to the Korean Demilitarized Zone, informally known as the 38th Parallel, is a strip of land running across which location?
Sentence (from "Taebaeksansong Station"): It is on located on the P'yŏngbu Line, which was formed from part of the Kyŏngŭi Line to accommodate the shift of the capital from Seoul to P'yŏngyang; though this line physically connects P'yŏngyang to Pusan via Dorasan, in operational reality it ends at Kaesŏng due to the Korean Demilitarized Zone.
Relevant evidence: No