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The distinct musical genre of amapiano can be heard in clubs and parties all around the world.
It's a sound born out of the unique cultural identity of South Africa.
I am Legendary Chris and I'm going to take you on a journey of exploration as we dive into the history of the music.
Listen now by searching for the documentary wherever you get your BBC podcasts.
Unseen, unheard, undetected.
Few things could be more unsettling to a sailor in wartime than the threat of a submarine.
We left port thinking everything was fine.
July 30th was a black, dark night and that submarine skipper, he looked towards the east and here was a little speck that he recognized as a ship.
We were coming right toward him, we're fairly close.
And he crash dove got in position, put his periscope on us and watched us.
The idea of traveling underwater has captivated people for centuries.
It's thought the ancient Greeks and the Chinese too, designed a vessel that could go beneath the waves.
And the Italian polymath Leonardo da Vinci left sketches for an underwater warship in literature, film and television.
Life on board a submarine has made for compelling drama.
What, after all, can compare to being cocooned inside a metal capsule for months on end deep down in the ocean?
Perhaps that's because so few of us will ever experience it, but also because submarines, even today's high tech models, are hazardous craft.
When they go wrong, the results can be catastrophic.