This picture shows a close up view of the Nanedi Vallis canyon, one of the Martian valley systems cutting through cratered plains in the Xanthe Terra region of Mars.

This picture shows a close up view of the Nanedi Vallis canyon, one of the Martian valley systems cutting through cratered plains in the Xanthe Terra region of Mars.

This picture shows a close up view of the Nanedi Vallis canyon, one of the Martian valley systems cutting through cratered plains in the Xanthe Terra region of Mars.

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