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FILE - In this May 25, 1997 file photo, Phan Thi Kim Phuc holds her son Thomas, 3, in their apartment in Toronto. Her husband, Bui Huy Toan is at left. Kim Phuc's left arm shows evidence of the burns she suffered on June 8, 1972, when her village in Vietnam was hit by napalm bombs dropped by South Vietnamese warplanes acting on U.S. orders. (AP Photo/Nick Ut)

Iconic 'Napalm Girl' photo turns 40

It only took a second for Associated Press photographer Huynh Cong "Nick" Ut to snap the iconic black-and-white image 40 years ago. It communicated the horrors of the Vietnam War in a way words could never describe, helping to end one of the most divisive wars in American history.