The Chuoshui River's "Double Six:" In fact, Taiwan has many rivers which, because of their loose geology and the volume of silt they bear, are not suitable for constructing reservoirs.
濁水溪的「六六大順」事實上，台灣有許多河川因地質鬆碎，沙源滾滾不絕，並不具備建水庫的條件。