A few drops of water can mean the difference between life and death when hiking in 100 degree heat. Here, commentator Scott Thybony brings us a remarkable tale of thirst, survival and fate in the Grand Canyon.
Scott Thybony is a Flagstaff based writer. His Grand Canyon commentaries are funded by the Grand Canyon Association, supporting education and scientific research for Grand Canyon National Park since 1932. On the web at www.grandcanyon.org