Crop circles are back, and this time they’re in 3-D! Pretty cool! This was spotted by Sina and sent to me. A floor of chequered tiles stretches down a long, high-ceilinged corridor with doors leading off each side. And the art of crop circles reaches a new height of sophistication. The astonishing three-dimensional design, 200ft in diameter, has been created in a wheat field at Silbury Hill in Wiltshire. Only yards away are the 5,000-year-old West Kennet Longbarrow burial grounds, one of the largest and most impressive Neolithic graves in Britain. I am not the biggest fond of aerial / Google Earth optical illusions, but these are awesome -they remind me of a portal of some sort!