摘要
Danelle Ballengee,35,was a world-class endurance(耐力)athlete who had run in over 500 lang-distance competitions through deserts and mountains around the world.Up ahead,Taz,her 3-year-old dog,disappeared,but Danelle did not worry as she scrambled alang a remote rocky trail to the top of a ridge of deep-coloured red rock.Near the summit,her foot hit a patch of ice.She fell over a steep cliff and hit onto a narrow rock ledge She could wiggle her toes but when she tried to stand,pain shot through her.The lower half of her body was a useless,dead mass.