Elusive, but ecologically vital, Namibia's Ugab River only flows above ground for a few days each year. The subterranean waters underlying this ephemeral river, however, are shallow enough in places to fill hollows and sustain a wildlife population that includes the rare desert elephant.

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IG Type: 
Source: 
Landsat 7
JPG name: 
UGAB-RIVER
TIF name: 
UGAB-RIVER