People line up to check for their signatures at data center outside of the Venezuelan National Electoral Council, CNE, headquarters, in Caracas, Venezuela, Monday, June 20, 2016. After checking for their signatures outside they enter to certify the authenticity of their signatures inside the CNE. Venezuela starts a crucial stage in the possible recall referendum against President Nicolas Maduro with the validation of 1.3 million signatures supporting the referendum. (AP Photo/Fernando Llano)
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