Sangoro-ike - Credit: Wikimedia Commons
Sangoro-ike is an earthfill dam located in Kagawa Prefecture in Japan. The dam is used for irrigation and water supply. The catchment area of the dam is 0.9 km2. The dam impounds about 1 ha of land when full and can store 85 thousand cubic meters of water. The construction of the dam was started on 1916 and completed in 1924. Read more on Wikipedia
Source: en.wikipedia.org