Chicago River green for St. Patrick's Day photos

<div class="meta image-caption"><div class="origin-logo origin-image "><span></span></div><span class="caption-text">David Westerby of Kenosa, Wis. left, yells during the St. Patrick&#39;s Day parade in Chicago, Saturday, March, 16, 2013.   With the holiday itself falling on a Sunday, many celebrations were scheduled instead for Saturday because of religious observances. &#40;AP Photo&#47;Paul Beaty&#41; (AP Photo&#47; PAUL BEATY)</span></div>
March 16, 2013 8:23:46 PM PDT