The Dual Purpose of Pyongyang’s Deep Subway System
Pyongyang boasts the world’s deepest subway, which serves as transportation and a bomb shelter. Its ordinary appearance belies a strict ban on photography, veiling its dual function from the unsuspecting eye.

The enigma of Pyongyang’s subway stirs curiosity. What clandestine reasons underlie the stringent prohibition against photography? This question suggests layers of concealed significance within the subway’s ordinary tunnels.