Geysers, Whakarewarewa, New Zealand, 1993.
© GNS Science / Science & Society Picture Library
The Rotorua area is famous for its geothermal activity. Pohutu Geyser, Prince of Wales Feathers Geyser, Mahanga Geyser are some of the sights in the region. Photograph from GNS Science of New Zealand (previously known as the Institute of Geological and Nu