This Indian metropolis on the wind-swept plateau of the Bolivian Altiplano exports two things to the capital city in the rocky valley below: cheap labor and social revolution. Most mornings, the streets in El Alto’s downtown fill with men and boys in modern clothes and women in the bowler hats and wide, silk dresses of the Aymara people. They pass stubby brick office towers, Internet cafes and market stalls, and squeeze into minibuses for the short commute to La Paz.Full Story