A flood-affected man waves to a coastguard chopper in Chennai, India, Saturday, December 5, 2015. Although floodwaters have begun to recede, vast swaths of Chennai and neighboring districts were still under 2 1/2 to 3 meters (8 to 10 feet) of water, with tens of thousands of people in state-run relief camps. (Photo by Arun Sankar K./AP Photo)
