Last night’s cocktails soon morph into drenching sweat as we haul ourselves up the steep mountain behind Megalo Chorio, the parched plants crackling beneath our feet, some brittle enough to turn to dust, others springing back upright, resilient to our footfall. A late night cocktail bar may not have been the best preparation for a climb like this, but the beautiful island of Tilos is taking us into its arms in every possible way. As ever, the climb is worth the effort. The views across the deep blue Aegean to neighbouring islands are matched by those back across land, the stark white buildings of the village tumbling down the hillside…