Mysterious lake in Tunisian desert turns from turquoise to green sludge | Tunisia
Tunisia This article is more than 9 years oldMysterious lake in Tunisian desert turns from turquoise to green sludgeThis article is more than 9 years oldThe stretch of water, dubbed the Lac de Gafsa, may be the result of a rupture in the rock above the local water tableThe lake appeared in the Tunisian desert like a mirage; one minute there was nothing but scorching sand, the next a large expanse of turquoise water.
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