Allergic to WiFi? Are cellphone transmissions making you ill? There’s a cure: live in a cave. That’s the solution for Anne Cautain and Bernadette Touloumond, anyway. The two suffer from Electro-Hypersensitivity (EHS) but have found respite underground, in a cave outside the small town of Beaumugne in Provence-Alpes-Cote D’Azur, France. If you visit, turn off your iPhone.