Scores of others, like Delores Culp, a 59-year-old military veteran, live in homes that still have blue tarps on roofs to cover holes, and now they're wondering if the flimsy coverings will stand up to wind and driving rain from Irene.

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Close by the proposed site are swimming holes, including Alvord Hot Springs and blue, glittering Borax Lake.

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In some cases, sunlight shines through holes in the cavern ceiling, illuminating the beautifully clear, blue-tinted water giving it an otherworldly feel.

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"I do not accept that the Nazis in the last frantic days of the camp, when they were in a blue funk, would have gone around with buckets of cement filling the holes that they were going to dynamite, " he told the court.

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