The videos on YouTube:
- Crop circles world wide 2011, 4.40 min: Uploaded by martinzwanenburg on 10 Mar 2011;
- Crop Circles 2011, 2.35 min, Uploaded by TheCyberbobi on 25 Jan 2011 on YouTube: tutti i tipi di cerchi nel grano del 2011. video fatto da me;
- DiegoDCvids – Crop Circle Sudbury Canada in 3D, 2.49 min, Uploaded by DiegoDCvids on 29 Apr 2011: My new 3D video animation and Music. All 3D modeling artworks is original and made by me 3D based on Crop Circle formation in Sudbury – Ontario – Canada / 1994;
- Search results for crop circles 2011 on YouTube.