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
Death on the Nile characters are very similar. The book features the Belgian detective Hercule Poirot. The action takes place in Egypt, mostly on the Nile River. While on holiday in Cairo, Hercule Poirot is approached by successful socialite Linnet Doyle. She requests his help in deterring her friend Jacqueline de Bellefort from hounding and stalking her. Linnet had recently married her friend's fiancé, Simon Doyle, which has made Jacqueline bitterly resentful of her. Poirot refuses the request, but attempts unsuccessfully to dissuade Jacqueline from pursuing her plans further. Simon and Linnet secretly board the steamer "Karnak", set to tour along the Nile, to