A person wearing a Mars suit Aouda.X prototype drives Mars rover Eurobot of the European Space Agency (ESA) past a GLXP White Label Space Lunar Lander mock-up during testing in the semi-desert of Rio Tinto, Spain, April 18, 2011. The Aouda.X suit has been developed by the Austrian Space Forum (Oesterreichisches Weltraum Forum / OeWF) over three years and is one of the best models of its kind, an OeWF spokesperson says. The 1.5 million euros Mars rover Eurobot prototype was transported from the Netherlands to Spain for its first test under field conditions. [Photo/Agencies] 

A person wearing a Mars suit Aouda.X prototype walks towards Mars rover Phileas during testing in the semi-desert of Rio Tinto, Spain, which took place from April 18 to 21, 2011. The Aouda.X suit has been developed by the Austrian Space Forum (Oesterreichisches Weltraum Forum / OeWF) over three years and is one of the best models of its kind, an OeWF spokesperson says. [Photo/Agencies] 

A person wearing a Mars suit Aouda.X prototype poses next to a GLXP White Label Space Lunar Lander mock-up during testing in the semi-desert of Rio Tinto, Spain, April 20, 2011. The Aouda.X suit has been developed by the Austrian Space Forum (Oesterreichisches Weltraum Forum / OeWF) over three years and is one of the best models of its kind, an OeWF spokesperson says. [Photo/Agencies] 

A person wearing a Mars suit Aouda.X prototype poses next to a GLXP White Label Space Lunar Lander mock-up during testing in the semi-desert of Rio Tinto, Spain, April 20, 2011. The Aouda.X suit has been developed by the Austrian Space Forum (Oesterreichisches Weltraum Forum / OeWF) over three years and is one of the best models of its kind, an OeWF spokesperson says. [Photo/Agencies]