TOPSHOT - Venezuelan opposition activists attend a march against President Nicolas Maduro, in Caracas on May 1, 2017. May Day protests risk being rough in Venezuela as it marks one month since deadly clashes erupted in a political crisis with no end in sight. Protesters took to the streets from April 1 to demand elections after the courts tried to strengthen President Nicolas Maduro's grip on power. / AFP PHOTO / RONALDO SCHEMIDT