A rainbow arches over Victoria Falls. © Helge Denker/WWF
Please visit www.worldwildlife.org for more information.... more 
A rainbow arches over Victoria Falls. © Helge Denker/WWF
Please visit www.worldwildlife.org for more information. less 
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| Photo By WWF/KAZA / WWF/KAZA
Thu, Mar 15, 2012 4:22 PM EDT