They are working on things like the World Cup stadiums so its not out of the question to be exposed to things inadverdently. And I just wrote that I met a tourist who was able to converse with a group of them on a train. Better than nothing.
A Russian boss said North Koreans work “crazily long hours” even on weekends.. “They don’t take holidays. They eat, work and sleep and nothing else. And they don’t sleep much,” he said. “They are basically in the situation of slaves.”....