PHOTOS: May Day rallies angry workers worldwide
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Credit: AFP/Getty Images
A woman holds a banner during a May Day rally in the centre of Barcelona on May 1, 2012. Tens of thousands took to the streets across the globe for May Day to press for workers' rights amid tough economic times and to back an array of other causes. AFP PHOTO / LLUIS GENE (Photo credit should read LLUIS GENE/AFP/GettyImages)
