In this January 16, 2016 photo, a plane flies over the dry lake bed of Lake Poopo, Bolivia. The El Nino weather phonomenon has inflicted periodic droughts on Poopo for millennia and last struck this hard in 1997-98. But over the past three decades unprecedented stress has befallen a fragile ecosystem where 83 percent of rainfall evaporates. (Photo by Juan Karita/AP Photo)
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