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Ashen skies
Volcanic ash falls over Europe (1 of 15)
Smoke and steam hangs over the volcano under the Eyjafjallajokull glacier in Iceland, early April 15, 2010, which has erupted for the second time in less than a month, melting ice, shooting smoke and steam into the air and forcing hundreds of people to flee rising floodwaters. (AP Photo/Brynjar Gaudi)
