This year marks the 40th anniversary of this iconic photo from Vietnam. Instantly recognizable, this photo shaped people’s views of the times and in the moment is was taken, forever intertwined the lives of both the subject and photographer.

FILE - In this June 8, 1972 file photo, crying children, including 9-year-old Kim Phuc, center, run down Route 1 near Trang Bang, Vietnam after an aerial napalm attack on suspected Viet Cong hiding places as South Vietnamese forces from the 25th Division walk behind them. A South Vietnamese plane accidentally dropped its flaming napalm on South Vietnamese troops and civilians. From left, the children are Phan Thanh Tam, younger brother of Kim Phuc, who lost an eye, Phan Thanh Phouc, youngest brother of Kim Phuc, Kim Phuc, and Kim's cousins Ho Van Bon, and Ho Thi Ting. (AP Photo/Nick Ut)