Is this image of an ancient runway?
 

yea, looks like an artifact in the pic. Towards the bottom it stops at the line of the other pic.

http://a57.foxnews.com/static/manage...371/thebsa.JPG

What about this?

ice?

film artifact http://www.discussworldissues.com/fo...milies/nod.gif

a crystal mountain would be cool

the color changes in the terrain where they pieced photos together is a bit unusual and the "tracks" or whatever they are ends at the border of such a change, that aint right. I suppose its another optical illusion like the "face".

And, http://www.space.com/11883-mars-bio-...stronomer.html

http://www.foxnews.com/scitech/2011/...est=latestnews

Oh great, now it is evidence. http://www.discussworldissues.com/fo...milies/lol.gif

Do you think that a planet with about as much land area as Earth might just have some spots with lines?

have you looked?

I don't believe you.

I bet Von Dannikken is pissed. "But the ancient astronauts wanted to be on earth..."

Without scale it is hard to identify exactly what they is but they appear to be exposed bedding layers dipping at a high angle to the left side of the screen. Oh, and erosion happens on Mars so there wouldn't be much ancient anything there.

Much more interesting is this: http://geology.com/articles/racetrac...ng-rocks.shtml