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Eco-photos of the week: Aug. 1-7

By: Catie Leary on Aug. 6, 2010, 8:33 a.m.
Arctic rainbow over Xue Long

Photo: ZUMA Press

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Arctic rainbow

Xue Long ("Snow Dragon"), a Chinese icebreaker ship used primarily for research, ventures through the Arctic Ocean on Aug. 4 as a bright rainbow arches on the horizon.