North Korea

Air China has cancelled flights to North Korea, leaving national airline Air Koryo as the only airline offering scheduled flights to the country.

Despite North Korea's nuclear threat against Guam, the small US territory is continuing to expand its aviation market to cater for growing tourist demand.

With the recent disappearance of Kim Jong-Un, we took a look at how the state-owned national flag carrier of North Korea- Air Koryo, is being maintained.