Great Japanese Railway Journeys - Season 1 Episode 12 -
Tokyo (2)
On his second day in the Japanese capital, Michael Portillo rides the 21-mile Yamonote line, an elevated railway that encircles the city. His first stop is Shinjuku station - the busiest station on Earth by passenger numbers. At Waseda University, the birthplace of the humanoid robot, he sees how the latest models are being trained using AI to look after Japan's ageing population.
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