Bob, Beautiful photography of the Grand Canyon. Brought back memories of when my brother Steve and I hiked down the Kaibab trail to Phantom Ranch, ate packed lunches and back out the Bright Angel trail the same day in 1957. I had just graduated from HS, Steve had just finished his Sophomore year....both were in the best physical condition of our lives. I'm proud of you for accomplishing this "once in a lifetime" feat.