The global superpower stand-off that brought the world to the brink of destruction. BBC Two's new Cold War Season explores the cultural and political impact of a conflict that divided the world.

Norway's proximity to the USSR in the Cold War led to it building many military bunkers – some of them vast secret bases.

Norway's proximity to the USSR during the Cold War led to it building many military bunkers – some of them vast secret bases for planes and ships. Tensions with Russia have brought the bunkers ...

The moment was captured by photographers and quickly made headlines. Cowan, now an unwitting ambassador, expressed a desire to visit China-a place completely off-limits to Americans at the time.