Dramatic "Before And After" Photos Show Puerto Rico's Plunge Into Darkness
It’s been a week since Hurricane Maria made landfall in eastern Puerto Rico, and hundreds of thousands of Puerto Ricans living in remote villages remain cut off from the world, after the storm trashed power grids, tore up roads, downed cell towers and caused a dam in the northwestern part of the island to fail, endangering tens of thousands of people living in a valley below.