> An ant mill was first described in 1921 by William Beebe, who observed a mill 1200 ft (~370 m) in circumference. It took each ant 2.5 hours to make one revolution.

I’m pretty sure I could also get stuck in a loop in a forest if the circular trail is 370m in circumference, let alone the human-sized equivalent of it (which, assuming a human walks at 3 mph, would be 7.5 miles or 12 kilometers)