Quote from the book "A Game of Thrones"

got up to the jagged top of the structure now except for Bran and the crows. He knew two ways to get there. You could climb straight up the side of the tower itself, but the stones were loose, the mortar that held them together long gone to ash, and Bran never liked to put his full weight on them. The best way was to start from the godswood, shinny up the tall sentinel, and cross over the armory and the guards hall, leaping roof to roof, barefoot so the guards wouldn’t hear you overhead. That b