"Quetzalcoatl taught the ancients all the necessary skills to advance their civilization, from mathematics and science to agriculture and astronomy, as well as the famous Mayan calendrical formulae which predicts the end of the world to be December 21st 2012. He taught the people to live in peace and then moved on disappearing across the sea, but he promised he would someday return. is that promised return NOW!! Once again we have the oval/teardrop shape right bang in the middle of what looks like a Celtic cross design ... "
Source: Crop Circle Connector