[[Image:MilkHillMegaJuliaB.jpg|right|350px|thumb|Milk Hill, Wiltshire in 2001. The crop cirlce measured more than 800 feet across and covered about five hectares. <ref>http://www.weirdwiltshire.co.uk/milkhill.html</ref>]]
'''Crop circles''' are geometric patterns which are created in fields, usually [[wheat]], [[grass]] or [[oat]]s fields.
'''Crop circles''' are geometric patterns which are created in fields, usually [[wheat]], [[grass]] or [[oat]]s fields.