Seine Commercial craft (barges and push-tows) can use the river from Marcilly-sur-Seine, to its mouth. At Paris, there are 37 bridges. The river is only above sea level from its mouth, making it slow flowing and thus easily navigable. The Seine Maritime, from the English Channel at Le Havre to Rouen, is the only portion of the Seine used by ocean-going craft. The tidal section of the Seine Maritime is followed by a canalized section ("Basse Seine") with four large multiple locks until the mouth of the Oise at Conflans-Sainte-Honorine (170 km). Smaller locks at Bougival and at Suresnes lift the
History of the Port of Tianjin History of the Port of Tianjin The Port of Tianjin ("Tianjin Gang", ), formerly known as the Port of Tanggu, is the largest port in Northern China and the main maritime gateway to Beijing. The name "Tianjin Xingang"(), which strictly speaking refers only to the main seaport area, is sometimes used to refer to the whole port. The Port is located on the western shore of the Bohai Bay, centered on the estuary of the Haihe River, 170 km south east of Beijing and 60 km east of Tianjin city. It is the largest man-made port in mainland China, and