This is the Traverse Wall on Swan Mountain Road between Keystone and Breckenridge.
I spent some time here traversing, and noticed a little 3' tall wall with chalk all over the place on the tiny grooves (behind the horn on the left in this pic). After a while a guy came down with what seemed like a 2, 4 and 6 year-old. They immediately jumped on the chalky little rock. After a bit they sat on a bouldering pad and changed into rock shoes. I was leaving then so didn't get to watch them, but how much fun is that? Can hardly wait.
Later, at the airport (DEN) I was going back and forth between the terminals looking for something to eat and drink (Terminal C is horrible) and you have to go around and around the escalators as you head around on the trains. A rude girl with a cell glued to her cheek blasted down the escalators knocking everyone aside and griped:
"In the US you stand on the right and walk on the left! What is so hard about that? What's wrong with you people."
I do agree, having had quite a struggle getting around the moving beltways in Terminal B (huge since United took it over). What with people moving at random speeds and holding hands with piles of luggage all over the belt - it was quite annoying.