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10 places to visit before they vanish

By: Bryan Nelson on Dec. 29, 2009, 11:49 a.m.
South Australia

Photo: marj_k/Flickr

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South Australia

Much like the Sahara in Africa, desertification threatens South Australia. Across the region, fresh water supplies are rapidly drying up. Meanwhile, the parched landscape increases the occurrence of wildfires, threatening agriculture, wildlife and hundreds of Australian homes.