20th Anniversary of 1992 Flooding in Chicago Loop

<div class="meta image-caption"><div class="origin-logo origin-image "><span></span></div><span class="caption-text"> Friday the 13th, 2012, marks the 20th anniversary of one of the most unusual disasters in the history of Chicago, the Great Loop Flood of 1992.     A part of downtown Chicago is darkened Monday night, April 13, 1992 because of flooding in an underground tunnel that runs under Chicago&#39;s Loop.  Thousands of workers were sent home early after the Chicago River water flooded subbasements. (AP Photo&#47; ROB KOZLOFF)</span></div>
April 13, 2012 12:57:31 PM PDT