It became one of the most haunting and recognisable photos of all time, but everyone was left asking the same question when photographer Frank Fournier first shared his images from a Colombian tragedy.
Back in 1985, the volcanic eruption of the Nevado del Ruiz became one of the most horrific natural disasters of all time, claiming the lives of over 20,000 people.
A combination of deadly volcanic mudflows, poor planning and a lack of evacuation drills meant that a huge number of people were left either dead, missing or injured in the Colombian town of Armero and the surrounding areas.
But a teenage girl named Omayra Sánchez Garzón became the face of the disaster when she was captured by Fournier, with the photo showing her head above the water and her eyes completely black.
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She remained in the water for around 60 hours, uttering some heartbreaking final words before she eventually passed away, with officials later ruling that it was either gangrene or hypothermia that claimed her life.
At times during her ordeal, she was scared and cried, while near the end of her time in the water, she started hallucinating and said she didn't want to be late for school.
Naturally, the first instinct of any able-bodied person in the area would have been to try to rescue the 13-year-old, but they lacked the necessary equipment to pull her free, as her legs were trapped under the debris of her house, and her aunt's body was also tragically later found underneath, still holding on to her niece's body.
So, when Fournier snapped a picture of the tragedy, he faced a huge amount of backlash from people wondering why he would think to take a picture rather than giving every effort to save her.
However, he later explained that it simply wasn't possible, and that the emotional image helped highlight the failings of the country's government when it came to protecting those living close to the volcano, either through evacuation or better planning.
Speaking to the BBC, Fournier addressed the question that everyone kept asking him after they saw the picture, as people always wanted to know: "Why didn't you help her? Why didn't you get her out?"
He explained that it was 'impossible' to get her out of there and said that people wondered whether he should have taken pictures, but he defended his decision.
He said: "There was an outcry - debates on television on the nature of the photojournalist, how much he or she is a vulture. But I felt the story was important for me to report, and I was happier that there was some reaction; it would have been worse if people had not cared about it.
"I am very clear about what I do and how I do it, and I try to do my job with as much honesty and integrity as possible. I believe the photo helped raise money from around the world in aid and helped highlight the irresponsibility and lack of courage of the country's leaders.
"There was an obvious lack of leadership. There were no evacuation plans, yet scientists had foreseen the catastrophic extent of the volcano's eruption.
"People still find the picture disturbing. This highlights the lasting power of this little girl. I was lucky that I could act as a bridge to link people with her. It's the magic of the thing."
James Moorhouse