A little Great Wall Likewise, the Wuhokang Creek in Hoping, Taichung County, suffered no erosion at all from the 400 millimeters of rain that Toraji dumped on it. Results such as these are the best possible advertisement for bioengineering erosion control.
小萬里長城同樣在桃芝來襲前，甫施工完成的台中縣和平鄉的烏石坑溪，在桃芝颱風的四百多公厘降雨量下，沒有任何崩塌，成果碩然，也成為自然施工法的最佳實例。