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FILE - In this Tuesday, June 27, 2000 file photo, Britain's Queen Elizabeth II, right, opens the new Wellcome Wing of London 's Science Museum with Associated Press photographer Nick Ut, left and Phan Thi Kim Phuc, center. Phuc was the main subject in Ut's iconic image of the aftermath of a June 8, 1972 napalm attack in Vietnam. The image is featured in the museum. (AP Photo/Ian Jones, Pool)

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.