Yung Ho Town, at 5.6 square kilometers the smallest in Taiwan, went from being a sandbank filled with vegetable gardens to being the center of development of the Twin Hos. A dike was built along the river, and Ch'uan-tuan Bridge was widened from 3.5 meters to 24 meters and renamed Chung Cheng (Chiang Kai-shek) Bridge.
於是這個全省面積最小（五．六平方公里）的市鎮，就從布滿菜園的沙洲，一變而為雙和地區發展的重心。綠色的田野逐漸消失，立起幢幢樓房；泥土路鋪上柏油，並一再拓寬；小溪流加上掩蓋物，變為下水道… …。