I'm not saying its aliens, and I figure it's for some mundane purpose such as trapping seafood, but I enjoyed watching this helicopter-shot video of mysterious beach circles near Isla Aguada in Mexico. Nothing similar is evident on Google Earth. I'm not saying it's aliens.
What are these mysterious "beach circles"?

Watch this video on YouTube. I'm not saying its aliens, and I figure it's for some mundane purpose such as trapping seafood, but I enjoyed watching this helicopter-shot video of…