He does this every time we go out to our balcony. He likes to use the rough part of the wall. I suppose after a couple thousand of years we'll need a new wall.
And this is not the only place he likes to cling his claws on for a good scratch and stretch... But fortunately, his list doesn't include furniture, upholstery, or curtains (more in future shots). Lucky us!
Notice his thick characteristic British Shorthair tail too!