I'm not an image analyst but I do find these towers curious. Is it an accident of nature or something else?
The images at msss.com are very clear and peculiar.
Article on the towers on Mars
http://www.ancient-code.com/3-massiv...-surface-mars/
http://www.msss.com/moc_gallery/ab1_.../M0001661.html
Towers are at the bottom of the image