Tianjin,where five branches of the Haihe River meet,is to the west of the Bohai Sea and to the south of Yanshan Mountain.In ancient times,Tianjin was prosperous due to grain transport by water,and now it is the largest coastal city in north China.Historically Tianjin was one of China’s earliest trading ports open to foreign countries,with many world-famous entrepreneurs and financiers once making money here;today the city is establishing itself as a national base for advanced manufacturing industries,
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