The first set pictures came from AICN, showing a crater next to an office building. Then on July 10th we had our first real look at some Transformers 3 action — Prime with trailer, Bumblebee, the Ferrari, Ironhide, Ratchet and weaponized Nascar vehicles.
Optimus Prime and Trailer
Weaponized Nascars, and the Autobots
Chicago Day 1 set videos
A playlist of 13 videos from the first day of shooting. Including an overhead angle from zztopeurope depicting a chase scene involving the Nascar vehicles, a Mercedes Benz and the Chevy Volt.