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Today's episode is sponsored by Smart Travel, a podcast from NerdWallet.
Do you have a friend who treats airfare like a puzzle and somehow always ends up with a first class upgrade?
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NerdWallet's travel journalists break down the pros and cons of travel decisions,
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Welcome to the documentary from the BBC World Service.
This is The Fifth Floor, at the heart of global storytelling with BBC journalists from all around the world.
I'm your host, Farhanak Amidi.
The video on Russian social media shows a man in Russian
military uniform at the bottom of a staircase, surrounded by clouds and angels.
He waves at the camera, turns around and walks up the stairs.
It's a video made by artificial intelligence.
And it's part of a trend that has recently hit Russian social media,