THIS IS A STONE FORMATION on the surface of Mars. They call it the "keyhole". Look at it real closely. Try to imagine what is in it. It looks like a built structure - building - and not a natural stone formation to me.
HAVE YOUR OWN WEB SITE OR BLOG, without knowing computer language. Simple to create. Simple to add new material. If you are a car-buff, create a family blog, like to put all your pictures from your travels on it, or sell merchandise, this is so simple - - even I can do it. Try it out. "Simplesite" really is the simplest.