Tuesday, Dec 18, 2018
A general view of the Krafla geothermal power plant in

A general view of the Krafla geothermal power plant in

A general view of the Krafla geothermal power plant in Reykjahlid, Iceland, September 19, 2015. Picture taken September 19, 2015. REUTERS/Lefteris Karagiannopoulos