
Hrad Vallis
Hrad Vallis, seen in this NASA Mars Odyssey image, appears to be affecting the local wind patterns. The texture of the terrain just around the valleys is markedly different from that its surroundings.

Hrad Vallis, seen in this NASA Mars Odyssey image, appears to be affecting the local wind patterns. The texture of the terrain just around the valleys is markedly different from that its surroundings.