DALLOL, ETHIOPIA - FEBRUARY 26: An ethiopian soldier in front of an acid lake in the danakil depression, afar region, dallol, Ethiopia on February 26, 2016 in Dallol, Ethiopia. (Photo by Eric Lafforgue/Art in All of Us/Corbis via Getty Images)
DALLOL, ETHIOPIA - FEBRUARY 26: An ethiopian soldier in front of an acid lake in the danakil depression, afar region, dallol, Ethiopia on February 26, 2016 in Dallol, Ethiopia. (Photo by Eric Lafforgue/Art in All of Us/Corbis via Getty Images)