Ashley Cooper / Old Cave houses in Guadix, Andalucia, Spain. Up to 10,000 people still live in cool underground houses dug out of the rock, this area known as the Barrio Santiago is a mix of modern cave houses and an...

Ashley Cooper / Old Cave houses in Guadix, Andalucia, Spain. Up to 10,000 people still live in cool underground houses dug out of the rock, this area known as the Barrio Santiago is a mix of modern cave houses and an...

Ashley Cooper / A photo voltaic solar power station near Guadix, Andalucia, Spain. May 2011

Ashley Cooper / A photo voltaic solar power station near Guadix, Andalucia, Spain. May 2011

Ashley Cooper / The Andasol solar power station near Guadix in Andalucia, Spain. The world's first and largest solar thermal parabolic trough power station. May 2011

Ugo Mellone / Landscape of Guadix geological depression within Los Colorados desert habitat. Guadix depression, Andalusia, Spain. October.

Ugo Mellone / Landscape of Guadix geological depression within Los Colorados desert habitat, with Sierra Nevada National Park in background. Guadix depression, Andalusia, Spain. February.

Ugo Mellone / Iberian ibex (Capra pyrenaica), adult male, walking along vertical cliff. Guadix depression, Spanish badlands, Andalusia, Spain. December.

Ugo Mellone / Iberian ibex (Capra pyrenaica), adult male, at top of cliff. Guadix depression, Spanish badlands, Andalusia, Spain. December.

Ugo Mellone / Iberian ibex (Capra pyrenaica), adult male, following female during rutting season. Guadix depression, Spanish badlands, Andalusia, Spain. December.

Ugo Mellone / Iberian ibex (Capra pyrenaica), adult male, behind female atop cliff during rutting season. Guadix depression, Spanish badlands, Andalusia, Spain. December.

Ugo Mellone / Iberian ibex (Capra pyrenaica), adult male, jumping between cliff faces. Guadix depression, Spanish badlands, Andalusia, Spain. December.