Compléter Reading Explorer Intro_1A_A_typeVersion en ligne Fill in the blanks par Tatiana Muchnick 1 Crop circles have been seen in the U . K . , Australia , Russia , and about 50 other countries . But how ? and for what purpose ? are they made ? A family in a quiet farmland wakes up one morning to find something very unusual : someone has cut strange shapes into their crop fields ! These huge are called crop circles . There are circles , stars , even of animals . But where do these crop circles come from ? Some people think that UFOs make crop circles when they land in fields . Others say they are made by aliens from , but no one knows the . Another ? more realistic ? idea is that some people to crop circles as a hobby , or as a kind of art . The to make crop circles is very simple ? just a rope and a piece of wood . Some teachers and students have built crop circles for fun . Crop circles are ? there are photographs and reports of about 12 , 000 of them . But more is needed before we really know how and why these shapes are made .
Créer jeu