An abstract mudpool with steam at Mahanga Rua at Wai-O-tapu are examples of collapsed craters where the acidic stream coming from underground has caused the ground to collapse, New Zealand.
Remarkable orange deposits on the rocks at the geothermal Champagne Pool hot spring of Wai-O-Tapu in Rotorua New Zealand.
Hot steam rising at the geothermal Champagne Pool hot spring of Wai-O-Tapu in Rotorua New Zealand.