https://www.alojapan.com/1236328/the-striking-blue-pond-in-hokkaido-japan/ The striking blue pond in Hokkaido, Japan #aoiikw #BluePond #DaisetsuzanNationalPark #Hokkaido #HokkaidoNews #Japan #MountTokachi #news #北海道 Image: Getty Described as a ‘happy accident’, this man-made feature formed following work on the Biei River as a safety measure to protect the nearby town of Biei from volcanic mudflows after the eruption of Daisetsuzan National Park’s Mount Tokachi in 1988. People think that the pond’s bright blue hues, …