Your comment makes me think of my father-in-law- he lived to 93. He was out building an arbor, swinging an axe to cut logs, clearing brush until he was 89; and then mowing with his tractor until he was 92. I still, to this day, will never understand how he moved a sofa upstairs by himself- he would never tell me the secret. But his philosophy was as long as you are on earth, keep moving because it keeps you healthy! While I'm not sure if he would've climbed that cliff, he would've definitely climbed the 8 ft. wall.
