Venezuelan opposition ex-congresswoman Maria Corina Machado (C) takes part in a women's march aimed to keep pressure on President Nicolas Maduro, whose authority is being increasingly challenged by protests and deadly unrest, in Caracas on May 6, 2017. The death toll since April, when the protests intensified after Maduro's administration and the courts stepped up efforts to undermine the opposition, is at least 36 according to prosecutors. / AFP PHOTO / FEDERICO PARRA (Photo credit should read FEDERICO PARRA/AFP/Getty Images)
