Why the flock of sheep in China were moving in Circle for 15 days

This for sure its a video that is trending on the INTERNET now and i wanted to have it here on my channel too!
It is mind blowing what is happening with the poor animals and many came with so many theories already trying to explain why this weird behavior!
What do you think, my friends?
Lets see!
Comment down below and lets try together to answer:
What in the world is happening with these sheep in China??
God bless