Curiosity on Mars photographed the strange shapes December 4, 2013!
Here I circled in red the very curious geometric shapes, juxtaposed next to each other, and I enlarged.
You can see this particular form of Ferris wheel, right next to a rectangular shape, etc.. This seems to have been fashioned in stone … yes, but WHO?
The photo that interests us here on the official site. The photo was taken by the robot on the ground on Mars “Curiosity” December 4, 2013, and posted on the official website December 5, 2013.
Details of the photo are: MastCam Left, SOL 472.
The photo is listed on the official website here:
ANOMALY ON MARS AND BEYOND: