A metro employee on board the newest cars at the Puhung metro station in Pyongyang, North Korea, in a picture made available on April 16. One of the deepest metros in the world, the Pyongyang consists of two lines and recently introduced new trains.

The North Korean capital is moving forward with several new development projects such as these despite a United Nations sanctions severely restricting the country's ability to engage in foreign trade and an executive order by President Barack Obama imposing more sanctions on it following its "illicit" nuclear test and satellite launch.