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Eco-photos of the week: Aug. 14-20

Lightning strikes out of a dark purple sky near the Potala Palace in Tibet on Aug. 14

Photo: ZUMA Press

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Lightning strikes Tibet

Lightning is highlighted by a dark purple sky near the Potala Palace in Lhasa, Tibet, on Aug. 14. The Potala Palace was the residence of the Dalai Lama until the 14th Dalai Lama fled to India in 1959.