There is one region in Afghanistan where the Talibans have never really been able to impose their rule. Inhabited by yak-herding nomads and wedged between Tajikistan and Pakistan at an altitude of 4,500 metres, Pamir is an area of precarious peace. Promoted by the Afghan government in an attempt to attract the more adventurous tourist, it is also the gateway to the Wakhan Corridor taken by Marco Polo in the 13th century. By Eric Lafforgue