Three-dimensional crop circles are especially amazing. They come in many types, but one that is widely repeated in many different ways is undoubtedly the cube. This poster shows a few examples of 3d Cubes that have been found portrayed on a crop field.
Each single drawing includes date and location of appearance.
175 gsm fine art paper
For indoor use
If the poster does gather any dust, you may wipe it off gently with a clean, dry cloth.