Transcript for Inside a North Korean Subway
This is the subway system the metro a Pyongyang's. This whole system was built between 1970 and 1980. This particular one was constructed in 1987. It's called the Laurie they're trying to. It's a bomber to all of the towns all of the stops. All of the cities the land around this country. You can watch these very old subway trains when they come and they're green. Designed more than thirty years ago. And then of course on the other side is a these images. They're very important here in this country. Davis of cancer and how to pick the right here on this someway they built this system underneath the ground. The subway metro system back in 1970. Can sing this design is simple. Thirty year old. Lose and that's. Plastic so this is it. It's where people travel underneath the ground. Killing young.
This transcript has been automatically generated and may not be 100% accurate.