Fig. 26: At first glance, it looks like sulfur crystals have accumulated on the bushes, but these are yellow moss or lichen, which is believed to be feeding on the sulfur fumes. Wai-o-Tapu Geothermal Wonderland. New Zealand North Island Nikon D200; f=24 mm; f/8.0; ISO 100; 6 September 2010 11:37:08
