This photo taken July 4, 2013, shows the electric fence that surrounds the camping area of Katmai National Park and Preserve, Alaska. At the height of the salmon season, near the end of July, there ... more 
This photo taken July 4, 2013, shows the electric fence that surrounds the camping area of Katmai National Park and Preserve, Alaska. At the height of the salmon season, near the end of July, there will be up to 70 brown bears plus cubs with a one-square mile area of Brooks Camp, along with humans. (AP Photo/Mark Thiessen) less 
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Associated Press | Photo By Mark Thiessen
Tue, Jul 23, 2013 12:33 PM EDT