Aron Ralston is a climber. He has been climbing and hiking since hewas a young boy. Aron made a mistake on 26th April 2003, nearly costhim his life. Aron was hiking when he fell down. His right arm got trapped behinda rock. He tried to escape, but the rock was too big. Aron was stuck inthe canyon for five and a half days. He was hungry, thirsty and verytired. On his sixth day, he managed to break his arm and then cut itoff with the small knife he had. He hiked out of the canyon and finallysaw other people. They called the emergency services, and ahelicopter took him to the hospital. Aron lost his arm, but he's happy to be alive. He still climbs and hikesregularly. Now he makes sure he tells others when he's going on anadventure.