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 "Pongdong Station"): Pongdong Station is a railway station located in Pongsan County, North Hwanghae province, North Korea.
Relevant evidence: No