Google maps discovered a massive asymmetrical grid in the Chinese desert and it has folks wondering what in the world its purpose is.

There has been speculation that the strange pattern is used in some kind of military training, or it helps to calibrate Chinese satellites.

You don't get a true sense of the grid's oddness, though, until you see it in the context of its greater surroundings. Check it out below, and let us know if you think you have any idea what's going in this 21st century version of the crop circle.

[via Time]