His work has been exhibited in a number of venues and festivals including Hangar Bicocca, Milan; Netmage, Bologna; Documenta, Madrid; and Fondation Cartier, Paris. A modern day explorer, Casas’s works deals with the idea of survival, death and the archaic. He has just concluded a trilogy of work dedicated to the most extreme environments on the planet; Patagonia, Aral Sea and Siberia. He is currently working on a film about a cemetery of elephants on the borders between India and Nepal, and he is part of the ongoing exhibition ‘Ten Days Six Nights’ at Tate Modern, London.