What Has Transformers 3 Been Filming in Detroit?

After filming in public places in cities like Chicago, the Transformers 3 production has been shooting at the Packard plant in Detroit the last week and it’s been kind of a mystery what is going on. Detroit’s WXYZ-TV Channel 7 solved that piece of the puzzle by flying over the scene with a helicopter and capturing the set for the Michael Bay sequel. You can now watch that footage below.