Traditional fishing boat were used for war and trade. Some ancient vessels were propelled by either oars or sail, depending on the speed and direction of the wind (see trireme and bireme). The Chinese were using sails around 3000 BC, of a type that can still be seen on traditional fishing boats sailing off the coast of Vietnam in Ha Long Bay. A jangada is an elegant planked fishing boat used in northern Brazil. It has been claimed the jangada dates back to ancient Greek time. It uses a triangular (lateen) sail, which allows it to sail against the wind. A felucca is
Zille (boat) are traditionally used for transport of both goods and passengers. Zillen are used as transport vehicles in gravel and sand extraction. Zille (boat) The term Zille (plural Zillen) is used for a family of flat-bottomed vessels which are used in the Danube River regions of Germany and Austria. Zillen are simply constructed boats, between five and 30 meters long. Smaller Zillen are generally open, while larger Zillen for freight or passenger transport have house-like structures amidships. Zillen have a flat floor and straight side walls. The front of the boat usually tapers. Depending on the type, the tail of the