The circles were discovered in October 2015, and seem to have the shape of ‘Vesica Pisces’, with the 2 interconnecting circles. The direct translation from Latin is ‘Bladder Of A Fish’, and has been commonly used in geometrical shapes, symbols and structures throughout history.
It is also a popular symbol within freemasonry. It is still unconfirmed what the causes of crop circles are, however it is widely believed by UFO enthusiasts that it is a form of communication from extraterrestrials, while many other believe they are hoaxes. There are also recent reports stating that MI5 actually paid people to create them.
Check out the Brazilian crop circle formation in the video below.