"New swirled order" documentary deals with many questions regarding crop circles. It present some extraordinary Crop circle formations. 

In Nov. 16, 1974 Carl Sagan had sent a radio transmission from Arecibo, PR Radio Tellescope the first message to extraterrestrial life. On august 21, 2001 a crop circle formation was reported near Chibolton Radio Tellescope, UK. The formation depicted the answers to Carl Sagan's Message. See diagram for details.