S. Kenderdine, BAI-JIAO-1 - THE EXCAVATION OF A SONG-DYNASTY SHIPWRECK IN THE DINGHAI AREA, FUJIAN PROVINCE, CHINA, 1995, The International journal of nautical archaeology, 24(4), 1995, pp. 247-266
The ships that sail the Southern Sea and south of it are like houses.
When their sails are spread they are like great clouds in the sky... T
he big ship with its heavy cargo has naught to fear of the great waves
, but in shallow water it comes to grief (cited in Guy, 1992: 18).