Singing in the Dark

In 2010, thirty-three Chilean miners were trapped 2,300 feet underground in the San José copper mine near Copiapó. For seventeen days, the world didn't even know if they were alive. The men huddled in a cramped emergency shelter designed for two days of supplies, not seventeen. Temperatures reached 95 degrees. The air was thick with dust and fear. But shift foreman Luis Urzúa organized the men into a routine.…