NIAGARA FALLS, NY - JUNE 04:  A rainbow forms in the mist of Niagara Falls as U.S. Border Patrol agents patrol the area on June 4, 2013 in Niagara Falls, New York. The major tourist attraction, which falls directly on the U.S.-Canada border, is a major destination for international visitors. Border Patrol agents detain travelers who have overstayed their visas as well as undocumented immigrants who attempt to illegally cross the international bridge in Niagara Falls.  (Photo by John Moore/Getty Images)
{}