A hot water pool at Waimangu Volcanic Valley, Rotorua, NZ. Minerals make the hot water opaque give it its colour. When the pool overflows, the water leaves silica sediments, forming the stepped structure. This image is composed of two photos.
A hot water pool at Waimangu Volcanic Valley, Rotorua, NZ. Minerals make the hot water opaque give it its colour. When the pool overflows, the water leaves silica sediments, forming the stepped structure. This image is composed of two photos.