Islamabad: On a day in September 2010, a group of white-bearded men left their mountaintop village in Pakistan and wended their way down 5,000 feet of steep, rocky slopes. None of them were young; one used a cane. At the base of the mammoth mountain, a river had burst its banks and destroyed the only bridge leading where they needed to go. The men waited hours to make a precarious journey across the water on a hastily-constructed rope trolley—a tiny […]