Haimen
... that flooding from the Yangtze River destroyed part of the city of Haimen before the river changed course in 1701 and created new land for the city?
... that flooding from the <a class="mw-redirect" href="./Yangtze_River" id="mwFCE" rel="mw:WikiLink" title="Yangtze River">Yangtze River</a> destroyed part of the city of <b id="mwFCI"><a class="mw-redirect" href="./Haimen" id="mwFCM" rel="mw:WikiLink" title="Haimen">Haimen</a></b> before the river changed course in 1701 and created new land for the city?