Neither one of them had ever been to Amsterdam – yet. But the amount of stuff moving toward that city, and away from it, on the roads and canals of the Netherlands, was so vast that it made Leipzig seem like a smattering of poor actors in the background of a play, moving back and forth with a few paltry bundles to create the impression of commerce. Jack had not seen such bunching-together of people and goods since the onslaught on Vienna. But that had only happened once, and this was continuous. And he knew by reputation that what came in and out of Amsterdam over land, compared to what was carried on ships, was a runny nose compared to a river.