Sam Smoothy climbs up a skifield in North Korea. Photos supplied. : Skiing video shows glimpse of N Korea

Catching an underground train in Pyongyang was part of Sam Smoothy's travels. : Skiing video shows glimpse of N Korea

Smoothy (left) and Will Lascelles with a North Korean soldier. : Skiing video shows glimpse of N Korea

Director Will Lascelles dances with North Koreans in a celebration to mark the birthday of one of the country's leaders. : Skiing video shows glimpse of N Korea