French volunteers leave cave after 40-day endurance trial, say they are 'fine'
Agence France-Presse
2021-04-24
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"We're fine, everyone's fine," says Franco-Swiss explorer Christian Clot, who led a group of 14 French volunteers in an experiment probing the limits of human adaptability to isolation, where they lived inside a cave for 40 days, giving up watches, phones and natural light.
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