You can also easily spot the large volcanos so as they are standing on the image, moreover, the largest canyon - Valles Marineris is easily seen at the middle.

• 南北两面白色的是火星的极冠，另外你也可以很容易找到一些火山，它们很明显的突了出来，还有在中间位置的峡谷-水手谷，都非常明显。