The massive octagonal pile of Bell Tower was on his right. As he got past it he dared to look up a narrow buffer between two layers of curtain-walls no more than fifty feet apart. Half of that width was filled up by the Mint's indifferent low houses and workshops. Daniel glimpsed furnace-light radiating from windows, warming high stone walls, making silhouettes of a congestion of carts bringing coal to burn. Men with muskets gazed coolly back at him. Mint workers crossed from building to building in the shambling gait of the exhausted.