I think these Martian "anomalous" photos that we find from time to time are part of a greater deception. I think the greater deception is that we have never sent anything to Mars, and that all of these photos were taken here on earth.

If we apply Occam's Razor here, we can easily conclude that this picture shows a human creation, on Baffin Island, in Canada, rather than an alien tunnel on Mars.

So far we have seen what is definitely a ground squirrel, native to Baffin Island, in one of the supposed rover pictures, and I have also seen very convincing comparisons of a specific valley on Baffin Island to a rover picture.