Altzerreka is an old homestead situated in a gloomy spot beside a bridge.

An illustrated album that takes us on a journey through the main global environmental challenges and explores creative, innovative projects launched by scientists from around the world to help take care of the planet.

The forest is a cursed place where only the most unfortunate beings dare to enter. Nevertheless, the witch Candena has been forced to live there for some time, plunged into inhospitable darkness.