Finally, our journey must come to an end in Italy, a country once made rich from its maritime trade. Our final voyage begins in Venice, the birthplace of merchants like Marco Polo, whose exotic tales from the east strengthened trade all those centuries ago. Sumnima Udas visits the MOSE project, Libreria Acqua Alta, Mantero silk factory, and the World's Expo on this episode of Silk Road: Past, Present, Future.