Demonstrators roll a garbage container to build a barricade during a rally in support of the Aysen region social movement, in Valparaiso city, about 121 km northwest of Santiago March 21, 2012.
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Demonstrators build a barricade during a rally in support of the Aysen region social movement, in Valparaiso city
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Demonstrators rally around the world
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Demonstrators take part in an anti-airport protest march in Nantes
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Supporters, opponents of Chavez hold rallies
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Anti-riot policemen march outside a supermarket in San Fernando
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A sign is displayed during a demonstration against animal abuse in Guatemala City
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Hundreds join 'eco-town' protest march
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Groups march to 'Silence the violence'
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Workers rally across europe on May Day
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Plans go on public display
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Venezuelan workers to march in support of socialist candidates
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Environmental protesters released on bail
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Person places campaign placard
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Protestors paint a 99% slogan on the street during May Day demonstrations in San Francisco
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Town hall protests:
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Organisers distance themselves from protest
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Rag pickers take protest against loss of livelihood to Cancun