UNKNOWN EYE OF THE SAHARA - Huge Megalithic Ancient Earth Anomalies Discovered

Earth Ancient Anomalies Found In Sahara Desert! Ancient Alien Evidence/Ruins or Ancient Erosion? Remains of Ancient Dome Natural Structure or Artificial? No scientist has given a definitive conclusion or reason for the Structure? Discovered by early space missions the circular object is 25 miles wide and each ring is made from different rocks/material? The estimated age for the eye is 100 million years? Megalithic Ancient Crop Circle? Earths Gale Crater? What Do You Think? Sources =