A man tries to remove ash from a small tractor at the Ensenada locality, outskirts of Calbuco volcano, which erupted this 22 April after 40 years without activity, Los Lagos region, south of Chile, on 23 April 2015. More than 4,000 people have been evacuated so far because of the two recorded eruptions of the volcano, officials said. (Photo by Felipe Trueba/EPA)
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