Transportation security

Kim Jong-Underground: On board the North Korean metro trains where the chandelier-lit stations doubles as nuclear bunkers

The Pyongyang Metro is located 361ft underground, making it the deepest located metro system in the world - conveniently doubling as a nuclear bunker.

The trains are old carriages from Germany which were bought up by North Korea in 1999 as they were heading for the scrap heap. Pyongyang now claims the trains were built in North Korea, but despite attempts to conceal their origin, some old graffiti tags can be seen on the carriages.

The metro stations in Pyongyang are not named after their geographic locations, but have names set to remind the citizens of the 'socialist revolution', such as Comrade, Red Star, Glory and Complete Victory.

The photographs have been taken by Australian traveller Elliott Davies, a software developer from Hobart, Tasmania, who chronicles his experiences in North Korea on his blog.

'During my visit to North Korea, I was part of the first ever group of foreigners given access to all stations across both lines of the Pyongyang Metro,' he writes.

'This may sound mundane, but the previously restricted Pyongyang Metro is surely one of the most mysterious, yet beautiful transit systems on earth, each station uniquely themed in ultra-nationalism, parading North Korea’s revolutionary goals and achievements to impressionable commuters.