In this February 4, 2017 photo, trapped birds and caught trout lay out to dry on the thatched roof of a home in Kapi Cruz Grande, a village on the shore of Lake Titicaca in the Puno region of Peru. A government-sponsored study conducted in 2014 found mercury, cadmium, zinc and copper in four types of fish that form part of local population's diet at levels higher than those advised for human consumption. (Photo by Rodrigo Abd/AP Photo)
