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SLIDES: Top Pictures of the Week

<div class="meta image-caption"><div class="origin-logo origin-image none"><span>none</span></div><span class="caption-text">Two cows fight during the traditional annual &#34;Combats des Reines&#34; &#40;&#34;Battle of the Queens&#34;&#41;, a cow fight in the western Alpine canton of Valais, in Aproz, Switzerland, Sunday, May 10, 2009. The Valais is home to a unique breed of cows, the Herens also called Eringer cows. Members of this bovine family fight against themselves to establish a hierarchy within the herd. During the combat the cows simply push, forehead against forehead.</span></div>
December 23, 2013 5:32:42 AM PST