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10 Most Popular Slideshows of 2011

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best slideshows 2011 treehugger
credit: TreeHugger

When Paul Nicklen set out to photograph leopard seals, he didn't expect one of them to become concerned about his eating habits...and come up with a solution.

The 10 most popular slideshows of 2011 also include the world's weirdest spiders and biggest bugs, gorgeous bikes and brilliant bike hacks, and the evils of factory farming.

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