The meteorite passed over the area before reportedly crashing into the Chebarkul lake, and the snowy fields are covered with human footprints.

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Part of the celestial rock fell through an icy Chebarkul lake.

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While some 9, 000 people have been helping in the clear-up and rescue operation, scientists have been concentrating their search for fragments of the rock around Chebarkul Lake, where a 6m (20ft) wide crater had been found following the strike.

BBC: Meteorite fragments found in Russia's Urals region