857-95803 - A young woman dressed in black and wearing boots walks along the ridge of the Hverfjall crater with steam rising in the volcanic background.

857-95805 - A blue coloured boiling hot mud pool emanates steam as the sunset colours the sky orange, in Hveraröndor Hverir Geothermal Area at Namaskard Pass, North Iceland.

857-95804 - A young woman dressed in black and wearing boots walks along the ridge of the Hverfjall crater with Lake Myvatn in the background.

911-6900 - A fresh lava flow that erupted during the Krafla fires at Leirhnjukur near Myvatn, during the 1970s and 80s, Iceland, Polar Regions

911-6905 - A fresh lava flow that erupted during the Krafla fires at Leirhnjukur near Myvatn, during the 1970s and 80s, Iceland, Polar Regions

911-6902 - A fresh lava flow that erupted during the Krafla fires at Leirhnjukur near Myvatn, during the 1970s and 80s, Iceland, Polar Regions

911-6904 - Sulphur deposits on geothermal ground at Leirhnjukur near Myvatn, Iceland, Polar Regions

911-6901 - A fresh lava flow that erupted during the Krafla fires at Leirhnjukur near Myvatn, during the 1970s and 80s, Iceland, Polar Regions

911-6903 - A fresh lava flow that erupted during the Krafla fires at Leirhnjukur near Myvatn, during the 1970s and 80s, Iceland, Polar Regions

911-6897 - Three forms of renewable energy on one site, wind power, solar power and geothermal at a fresh lava flow that erupted during the Krafla fires at Leirhnjukur near Myvatn, during the 1970s and 80s, Iceland, Polar Regions

911-6899 - A fresh lava flow that erupted during the Krafla fires at Leirhnjukur near Myvatn, during the 1970s and 80s, Iceland, Polar Regions