A demonstrator tries to destroy a surveillance camera during a march held in the framework of Labour Day on May 1, 2012 in Medellin, Antioquia department, Colombia. AFP PHOTO/Raul ARBOLEDARAUL ARBOLEDA/AFP/GettyImages
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A demonstrator tries to destroy a surveillance camera during a march held in the framework of Labour Day on May 1, 2012 in Medellin, Antioquia department, Colombia. AFP PHOTO/Raul ARBOLEDARAUL ARBOLEDA/AFP/GettyImages