Climbing trees was one of my favorite activities when I was a kid.  Even though it seemed like I conquered just about every tree in the neighborhood, I never did graduate to more sophisticated climbing.  I admire those folks who can do it well.

Today’s “I Knew That!” salutes all those climbers, big and small, who venture ever upward!

Click, hold down, and move your mouse to the right to reveal the answer)============> Free climbing.