The image is a map of a geothermal area in Iceland. The map is divided into different sections, each representing a different type of geothermal plant. 

On the left side of the map, there is a diagram of a plant with a long, thin stem and a pointed tip. The plant is labeled with the names of the different types of plants and their properties. On the right side, there are labels for the different geothermal areas, such as Goshver - geysir, Ovikur goshver, dormant geyser, Gufuhver - fumarole, Leirhver - mud pot, Vatsniver - hot spring, and Hüti - temperature °C.

The map also shows the location of the geothermal fields in Iceland, including the Old Faithful Strokkur, Stokkur, and Stigur. There is also a legend on the map that explains the different colors and symbols used to represent the different regions. The colors used in the map are blue, green, and yellow, and the symbols are red, orange, and red.