Yes, they actually do break off..just a matter of timing I guess :-) The ones on the left were already mostly gone and the section I'm climbing was one of the few left that was safe...but you bet..fun it was!!!!
"After the first glass, you see things as you wish they were. After the second, you see things as they are not. Finally, you see things as they really are, which is the most horrible thing in the world."
--Oscar Wilde on Absinthe