Sand control dam in Tatsunokuchi was built where the mudslide occured because of the North of Nagano Earthquake in March 2011. Approximately 230 of three-meter tall yellow pole will trace the mark of mudslide. In addition, a staircase and observation platform will be built along the wall of dam overlooking the entire site
Observation platform opens only Fridays, Saturdays and Sundays.｜Supported by ＝Kasen Seibi Kikin
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