On this map of Spain you have to locate the provinces where there are still five power stations that produce energy by burning coal. They are in: As Pontes, Xixón, Cubillos do Sil, Carboneras and Andorra, a small country in the Pyrenees.
To locate them, look at the background of the screen where you can see which place you must click on. On the right, there’s a link to “Google Maps” which you can consult. You may have to look for name in Spanish.