A fence.
H Edit: I don't like explaining jokes but since the first guy didn't get I might as well: When pronounced in a French accent it sounds like ash.
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Because people are dying to get in.
He used to climb over walls.
Climb a tree and act like a nut.
It's the only sport where you can shoot, steal and run!
Me: You bought me a ski jacket Her: Skiing is a sport!
ence