And, of course, they come back to a big perin. No, of course not. They come back to what you always come back to Europe in the 13th century, which is war. Marco Polo is captured and in prison he starts telling his tales, which gets put into the Book of Marvels, The Travels of Marco Polo. And this is the book that represents the knowledge piece that's going to influence all of those changes. It's not immediate, but when people start learning about these tales, and some of them might have been exaggerated a little bit, but they start learning about the customs and the new inventions and everything that we talked about before, that's going to create a yearning for more people to want to do it. And of course, we didn't mention that he traveled along the Silk Road, so that Silk Road is going to represent kind of that connection, that bridge between the Western civilization and the Eastern civilization.