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This is the picture Frank Fournier took of 13-year-old Omayra Sánchez Garzón.Wikimedia Commons/Frank Fournier
One of the most famous victims was 13-year-old Omayra Sánchez Garzón, who was trapped by debris and volcanic mud.
The Nevado del Ruiz volcano killed thousands in Colombia when it erupted in 1985.Getty Images
Later, the photographer recalled, he was asked the following questions by various people: “Why didn’t you help her? Why didn’t you get her out?”