People line up to cast their ballots at poll station during a symbolic referendum in Caracas, Venezuela, on Sunday. Venezuela's opposition called for a massive turnout Sunday in a symbolic rejection of President Nicolas Maduro's plan to rewrite the constitution, a proposal that's escalating tensions in a nation stricken by widespread shortages and more than 100 days of anti-government protests.
People line up to cast their ballots at poll station during a symbolic referendum in Caracas, Venezuela, on Sunday. Venezuela's opposition called for a massive turnout Sunday in a symbolic rejection of President Nicolas Maduro's plan to rewrite the constitution, a proposal that's escalating tensions in a nation stricken by widespread shortages and more than 100 days of anti-government protests. Ariana Cubillos AP
People line up to cast their ballots at poll station during a symbolic referendum in Caracas, Venezuela, on Sunday. Venezuela's opposition called for a massive turnout Sunday in a symbolic rejection of President Nicolas Maduro's plan to rewrite the constitution, a proposal that's escalating tensions in a nation stricken by widespread shortages and more than 100 days of anti-government protests. Ariana Cubillos AP

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