This photo released by NASA shows a photo stitched together from nearly 

This photo released by NASA shows a photo stitched together from nearly 900 images taken by the NASA rover Curiosity showing a section of Gale Crater near the Martian equator. Nearly a year after landing, Curiosity is finally starting the drive to a mountain in search of the chemical building blocks of life. (AP Photo/NASA)
Associated Press
This photo released by NASA shows a photo stitched together from nearly 900 images taken by the NASA rover Curiosity showing a section of Gale Crater near the Martian equator. Nearly a year after landing, Curiosity is finally starting the drive to a mountain in search of the chemical building blocks of life. (AP Photo/NASA)
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