POV

Patricio Guzmán's Nostalgia for the Light is a remarkable meditation on memory, history and eternity. Chile’s remote Atacama Desert, 10,000 feet above sea level, provides stunningly clear views of the heavens for astronomers. But it also holds secrets from the past: human remains, from pre-Columbian mummies to the bones of political prisoners "disappeared" during the Pinochet dictatorship.