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Could the US-Israel war with Iran ripple across the entire Gulf region and affect us all?
The Persian Gulf is made up of some of the wealthiest and safest countries on Earth,
and until recently they've mostly been insulated from Middle East conflicts.
But that's now changing.
For more, listen to the Global Story on BBC.com or wherever you get your podcasts.
Now I've just come to what was once a railway station called Grasplatz or grassy place in the middle of the Namibian desert.
The old station building which is crumbling.
empty window frames, and it's the only building for miles around, as far as you can see.
Over 100 years ago, in this spot,
a railway labourer called Zacharias Liwala found a shimmering stone.
His discovery led to a diamond rush in this remote corner of south-west Africa.
Prospectors flooded to the small harbour town of Lüderitz nearby,
bringing a boom that lasted a few decades.
And then it all faded away.
I'm Johannes Del and in this edition of the documentary from the BBC World Service,
I'll be asking whether after decades of being a sleepy backwater,
Lüderitz is in for another boom, this time one based on green hydrogen.
and fueled by the abundance of sun and wind in this part of Africa.
We're seeing new energy, new investments, new opportunities,