Since humans attained the ability to fly we have discovered patterns which require an aerial view to be seen correctly. The Nazca Lines of Peru come to mind. The sheer magnitude of those designs can only truly be appreciated from an aerial vehicle of some sort that they have been carved into the earth for centuries. Crop circles are certainly another instance which requires the viewer to be in an elevated position to achieve full comprehension of their Majesty. The documentary below discusses Crop Circles and lines in the earth so if this interests you you should certainly check it out.