RUSSIA-NKOREA-DIPLOMACY-DEFENCE-LABOUR

North Korean workers wait for their flight at the airport of Vladivostok on December 22, 2019. - The nuclear-armed North has long made a fortune from the army of citizens it sends abroad to work, mostly in neighbouring China and Russia but as far afield as Europe, the Middle East and Africa. Two years ago the UN Security Council ordered the countries where they work to send them back as part of efforts to press Pyongyang over its nuclear and ballistic missile programmes, with complete compliance required by December 22, 2019. (Photo by STR / AFP) (Photo by STR/AFP via Getty Images)