ALISTRATI, Greece – Persephone is a tour guide in Greece, but perhaps not the type people are used to. Billed as the world’s first robot tour guide inside a cave, Persephone has been welcoming ...
Robot tour guide. Just this term alone sounds a bit far-fetched and too futuristic, right? Well, not anymore. In the Alistrati Cave in Northern Greece, Persephone's robot tour guide is now leading ...
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