The Magnificent Pond in Hokkaido

blue-japan-pond

This blue pond in Hokkaido, Japan, changes colors depending on the weather. For example, in spring it turns into spectacularly green color. The artificial pond was created as a part of erosion control system that was built to prevent Biei in case of an eruption of Mount Tokachidake. This pond is blue because of aluminum hydroxide.

blue-japan-pond

blue-japan-pond

blue-japan-pond

blue-japan-pond

blue-japan-pond

blue-japan-pond

blue-japan-pond

blue-japan-pond

blue-japan-pond

blue-japan-pond

blue-japan-pond