The subway of North Korea is the deepest subway system on the planet - its depth is 110 meters. All stations are reinforced as nuclear bunkers. Until now, foreigners were allowed to visit only two stations of the North Korean subway. American photographer Elliot Davis was one of the first tourists who was allowed to visit all the stations of Pyongyang subway. He made over 60 pictures of it.

The Puhung station in the Pyongyang subway is the terminal point on the Chollima line. Six years ago, tourists were only allowed to go here with an escort.

The walls of the North Korean subway are decorated with mosaics on political topics. They depict the unity of different strata of the population.

An interactive map of the stations is provided in the Pyongyang subway. To find out how to get to the desired station, you just need to click on its name.

On the walls of Pyongyang subway, you can see fascinating pictures of nature, mountain landscapes and water spaces.

A photographer from the United States of America noted that there are few smiling people in the North Korean subway. On their faces - the seriousness and concentration, especially among workers of the subway.

The traveler noticed that at each metro station there are stands with newspapers. All newspapers proposed to the North Korean public are aimed at raising patriotism in the state.

In the photo: a shop in the Pyongyang subway.

In the photo: in the Pyongyang subway.