Greenpeace activists create a gigantic 60 metre "NO" sign crop circle in a maize field in the state of Estado de Mexico, Central Mexico. Greenpeace is demanding the Mexico Government reject proposals to break a long standing moratorium against the cultivation of genetically Modified Maize in the region.The protest marks a day of action with Greenpeace creating crop circles in maize fields in three different continents:- Spain (Europe), Mexico (America), Philippines (Asia).
© Greenpeace / Gustavo Graf