During a visit to the Associated Press headquarters photo library in New York, Aug. 10, 2012, AP staff photographer Nick Ut holds a plastic sleeve containing the original “Napalm Girl” negative, for which he won the 1973 Pulitzer Prize for Spot News Photography. (AP Photo)

During a visit to the Associated Press headquarters photo library in New York, Aug. 10, 2012, AP staff photographer Nick Ut holds a plastic sleeve containing the original “Napalm Girl” negative, for which he won the 1973 Pulitzer Prize for Spot News Photography. (AP Photo)