World of Mysteries - Crop Circles and Desert Lines

Subscribe to Naked Science - Peru, South America, where mysterious pictures were created 2000 years ago on the plains of the driest desert on Earth. Now these ancient wonders have spawned a modern tourist industry attracting travellers from all over the world. Elsewhere, tourists flock to see monuments that date from the dawn of history, like at Stonehenge in England, and in the surrounding countryside new wonders still appear today, vast and intricate crop circles that materialise overnight. But how and why are they made, and who creates these extraordinary mysteries of the fields. Amid the rolling hills of England, hundreds of intricate designs known as crop circles appear in the fields. Such perfect circles have been known about for centuries, they used to be feared as the work of the devil. A 17th century illustration shows Satan mowing his corn. But in recent years these crop circles have become ever more numerous, more elaborate, and more mysterious. Nobody know