Footage from China shows hundreds of sheep walking in a circle for 12 days straight, and no one seems to know why.
The very strange phenomenon has captured the attention of many across the world, including on AM.
Host Ryan Bridge was stumped when the CCTV footage played on Tuesday morning.
"Now what are they doing? They're not on leads, no one is walking them around."
The sheep have been walking around in a circle for almost two weeks now, but no one has yet put their finger on why.
Newshub National correspondent and fill-in host on AM Amanda Gillies suggested the sheep may have circling disease, but said if that was the case the sheep would have died within a couple of days.
"Clearly they don't have that."
Watch the footage above.
