摘要
BEFORE silt from the Yangtze River and Yellow Sea was deposited millennia ago into what is now the Yangtze River Delta,the area had many tidal sand ridges.Nantong,on the northern bank of the Yangtze River's mouth in Jiangsu Province,was one of these ridges,and 1,000 years ago was known as Hudouzhou,or Broad Bean Tidal Ridge.
