description：

The principal of Paoduen is the use the habitual behavior of Bottom perched animals between tidal flat to pile up rocks or reeves between tidal flat as “Duen”. Using nets to surround Duen when animals hide into there at downs with shallow water, then reaping by pulling up the nets. The stones moving aside become another Duen that can be used for next ebb. The existing condition must possess special geographical environment such as smoothing coast, big difference between tides, hard bottom, shallow outside and deep inside terrain and the materials that can be used. With the geographical conditions stated above, Baisha Township becomes the area with the greatest density of Duen distribution over the whole Penghu County.   In 2000, the head of Tunliang and Penghu County Symbiotic Algae Association called more than 300 people to bring back the Laoku stones from the demolished houses and walls by a relay from Watung 30 Grand People Temple to Tunliang sea area and pile up to 100 Duens. Except for using these Laoku stones more efficiently, it also increase the assets of .