"It's epic and it happens in a city. It's more accessible because you recognize stuff - it's not in a desert. It's kind of like Black Hawk Down with our small group of heroes in a city."
He also talked about one of the new robots in Transformers: Dark of the Moon, Sentinel Prime.
"Sentinel Prime is great. He's great. I can't tell you anything else, other than he's great."
Michael Bay also added that the villain Shockwave has, "a much bigger gun [and is] a little bit more vicious," when compared to Megatron. The director also revealed that this will be the last time he directs a Transformers adventure.
"It does have an end, yes. Because I am finished doing this."