Answer:
Alien Circles
Explanation:
I picked this one because this became a mystery that was talked about all over the world and from it, we had many movies, series, and even documentaries with their own version of the truth.
Douglas Bower and David Chorley admitted that they used a wooden board, rope, and wire to help them make very straight lines on the ground. They drew about 200 circles between 1978 and 1991, the year they confessed the farce to the Today newspaper.
