According to folk tradition, a lantern that is ten feet high is capable of attracting ghosts within ten li (a li is around half a kilometer or a third of a mile).
民間相信，一丈（一層樓高度、約 3 公尺）燈篙可招來 10 里內鬼魂，燈篙豎得越高，招來的鬼魂就越多。