Scrap the Hunter wellies and hot pants, you'll more likely to need a hammer and headlamp at this crazy festival. Camp Wildfire - a sell-out in 2015 - is back this year, inviting 'only the curious' to participate in a weekend of adventure. Held at a secret location close to London, the event is based around the ethics of 1950's style summer camp - which also means that no mobile phones are allowed. Activities on offer include fire lighting lessons, bivouac building classes and good old-fashioned treasure hunts. For those in need of some rest and recuperation, a spot of nudist aftern...