Crop Circles a hidden message?

crops circle a hidden message? Crop circles — unusual patterns that appear mysteriously overnight in farmers' fields delight and intrigue various groups, from UFO researchers to mainstream scientist, the press and public alike. The circles are in most cases located within the United Kingdom, however, there have been dozens of countries around the globe also reporting crop circle appearances for many decades. The strange phenomena have stimulated countless books, blogs, fan agencies, researchers (dubbed "cereologists") and even Hollywood films. Despite having been studied for many years, the question remains: Who — or what — is making them?