Police in China say construction workers engaged in a "demolition derby" style brawl after an argument turned nasty.
According to the NY Post, the construction workers were from two companies competing for business.
You can see in the video people try desperately to get out of the way of the ensuing chaos.
At one point, a friendly bulldozer even tries to lift up an ally who had fallen over.
Xu Feng, a local government spokesman couldn't disclose details about arrests or injuries until the investigation concludes.