> After about 100 meters towards the center of the exclusion zone, you need to store enough radioactive material, preferably near Geiger obelisks, that going th

> After about 100 meters towards the center of the exclusion zone, you need to store enough radioactive material, preferably near Geiger obelisks, that going there will kill you _very_ quickly, for 1000's of years. Quicker the better. People need to associate the deaths with the area! Interesting idea, but people will gather radioactive material to prepare the suicidal attack. The cursed area therefore needs to be able to kill people without an ability to move the curse out of it by itself.