I Really don't know what's right or wrong about Who Makes Crop Circles. However, the complex crop circle formation and design is still interesting for me. below are a few crop circle photo galleries, not the best but definitely worth to seeing.
This is the same pattern that was in the sky in Himalaya. The phenomenon was observed early am 18 Oct - Houston
Crop circle expert Lucy Pringle has captured stunning images of the 'crop circle' phenomena, as this aerial shot taken in Shalbourne, Wiltshire, shows.
What are Crop Circles? - How Crop Circles Work
Looks like some sort of clock/time-based message. 2013 Crop circles - Cavallo Grigio, Robella, Province of Asti, Italy -
Scarabe, Silbury Hill, UK Cropcircle showing the form of a scarab.