It's the world's most closed country, over the last few decades, very few foreigners and even fewer journalists have gained access to North Korea. TRT World’s Imran Garda was invited to visit the so-called hermit kingdom to take part in the Pyongyang marathon and be shown the city's tourist sites. It's a country known for its ballistic missile tests, its nuclear capabilities and a well trodden path of sabre rattling. But it's also a country governed by the Juche idea