<正>ThemightyYangtzeRiverflowsthrough19ofChina’sprovincesandbigcities.Theriver’sdrainageareaofthe,whichaccountsfor4percentofthecountry’stotalareaandsupports4percentofitspopulation,accountsfornearly40percentofChina’sGDP.TheYangtzeisnodoubtourcountry’smostvaluableeconomiccorridor,andNanjing,asoneofthefourmajorcitiesontheYangtzeandtheonlyonestraddling
