Mount Maunganui, Tauranga Harbour, New Zealand, 1994.
© GNS Science / Science & Society Picture Library
View of the extinct volcanic cone also known as Mauao. It is a rhyolite dome (igneous rock) at one end of a tombolo (spit or bar forming a narrow piece of land) which connects Maunganui with the mainland. Photograph from GNS Science of New Zealand (previo