his legs complained more loudly with every step, but Tyrion ignored them. The wind swirled around him, gravel crunched beneath his boots, while ahead the white ribbon followed the lines of the hills, rising higher and higher, until it was lost beyond the western horizon. He passed a massive catapult, as tall as a city wall, its base sunk deep into the Wall. The throwing arm had been taken off for repairs and then forgotten; it lay there like a broken toy, half-embedded in the ice. On the far side of the catapult, a muffled voice called out a challenge. “Who goes there? Halt!” Tyrion
