Nevermind, looked it up....
Quote:
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By late afternoon, a brittle crust has formed over the sun-baked sand, which workers rake into baskets before dumping into giant wooden sieves. They add seawater over several days to leech the salt from the sand. The resulting brine is put in troughs so the sun can evaporate the water.
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http://travel.cnn.com/explorations/l...duccis-780500/