A modern cave man offers 'Neanderthal' survival courses in the Italian Alps.
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Guido Camia - who originally trained as a chef - now makes his living dressed barefoot in animal skins teaching people who to build a shelter, light fire using flint stone and eat insects.
The courses have been supervised and approved by the country's International Survival Federation (FISSS), and the 37-year-old man charges around $100 per night for a basic plan.
He explained while he doesn't think industrial civilisation is set for a collapse, he suggested people should do their best to be ready to ''adapt to the changing climate''.