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
Rowing on the River Thames bumping (catching up the boat in front). Many of the long distance events on the Tideway are raced over The Championship Course and apart from the Boat Race and Wingfield Sculls may begin from Mortlake or Putney depending on river conditions. Rowing on the river is generally organised through clubs based on the Thames, which include the following. Rowing on the River Thames The River Thames is one of the main rowing areas in England, with activity taking place on the Tideway and on the 45 separate lock reaches on the non-tidal section. The river hosts two major rowing events,