Jo moves on, through the long vacation, down to Blackfriars Bridge, where he finds a baking stony corner wherein to settle to his repast.
And there he sits, munching and gnawing, and looking up at the great cross on the summit of St.Paul's Cathedral, glittering above a red-and-violet-tinted cloud of smoke.

From the boy's face one might suppose that sacred emblem to be, in his eyes, the crowning confusion of the great, confused city--so golden, so high up, so far out of his reach.

There he sits, the sun going down, the river running fast, the crowd flowing by him in two streams--everything moving on to some purpose and to one end--until he is stirred up and told to "move on" too..