New Zealand is known for its extensive pockets of thermal activity particularly concentrated around Lake Taupo, and Rotorua areas in the North Island. Rotorua has a strong tourism industry based around the many natural mud pools, geysers, & thermal mineral pools. Renowned for its therapeutic qualities for the skin, the mud used in these products is specially sterilized and has impurities like volcanic ash removed, but still retaining the the beneficial properties of the mud. The mud in these products is mixed with mineral spa water and is rich in minerals from coming into contact with volcanic gases and minerals in the earth