A crop circle is a sizable pattern created by the flattening of a
crop such as wheat, barley, rye, maize, or rapeseed.
In 1991, self-professed pranksters Doug Bower and Dave Chorley
stated that they had started the phenomenon in 1978 by making actual
circles on crops with the use of simple tools. However, crop
patterns not only persisted, but became astonishingly complex. Some
even came to resemble stereotypical extraterrestrials, fractals, and
archaeological, religious, or mythological symbols, thus leading to
speculation and passionate debate. Among others, paranormal
enthusiasts, ufologists, and anomalistic investigators have offered
arousing yet hypothetical explanations that have been criticized as
pseudoscientific by skeptical groups like the Committee for
This video is amazing, the amount of work and
detail to exact-ness really could not be done in a night. Even by a
large group of skilled people.