Huangpu River
The Huangpu (), formerly romanized as Whangpoo, is an artificial river flowing north through Shanghai that was first excavated and created by Lord Chunshen, one of the Four Lords of the Warring States. It is the last significant tributary of the Yangtze before the Yangtze empties into the East China Sea. The Bund and Lujiazui are located along the Huangpu River. The Huangpu is the largest river in central Shanghai, with the Suzhou Creek being its major tributary. It is on average wide and deep, and divides the city into two regions: Puxi ("west of Huangpu"), the traditional city  center, and Pudong ("east of Huangpu"). Bridges. The following roadways, highways, and railways also cross the Huangpu River via a bridge: Tunnels. A number lines of the Shanghai Metro cross underneath the river, including Line 12, Line 4, Line 2, Line 9, Line 4 (twice), Line 8, Line 13, and Line 11 (from north to south geographically). There are several roadways which cross the Huangpu River via a tunnel, including: Ferries. There are currently several ferry lines operated by Shanghai Ferry. Numerous tour boats also ply the harbour in the Pudong area.