"Quarai River, border of Brazil and Uruguay. The water level has dropped a lot, as it hasn't been for a long time, and, for the general bewilderment, look what has appeared" (Vigte: any suggestions what it is?)

submitted by Vigte from mobile.twitter.com

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[–]Vigte[S] 2 insightful - 1 fun2 insightful - 0 fun3 insightful - 1 fun -  (0 children)

Personally, looks like some very small scale agriculture... where they let the river flow around the "Crop circles" (no pun intended).

[–]mikipika 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (0 children)

Because the video was taken from a high perspective, it's hard to grasp the scale of those formations. Possibly footprints from a fish farm?