If you’ve ever slept on a bunk bed with a stranger, shared a €2 bottle of wine on a rooftop in Naples or made friends for life over questionable noodles in Thailand, you already know – hostels aren’t just about cheap beds. Our own LG Elle Magill is something of an expert too – from surf shacks in Costa Rica to design-led dorms in Santorini, this is her guide to the coolest, most chaotic and surprisingly chic hostels around the world…