Forty years ago, when they began construction, they probably called it Mayor Wamura's folly, but it saved the town of Fudai. It was his idea to build the 51-foot high floodgates that protected the town of Fudai from tsunami waves that reached 66 feet. He died in 1997, but it was his foresight that protected the town on March 11, 2011. He remembered previous devastating tsunami, and vowed that would not happen to Fudai.
Quoting from the article: At his retirement, Wamura stood before village employees to bid farewell: “Even if you encounter opposition, have conviction and finish what you start. In the end, people will understand.” And they are grateful.
Read about it here.