Michael Bay’s official website has released this image of cast & crew on the set of Transformers 4…

T4 - Mark Wahlberg

Pictured left to right: Jack Reynor; Mark Wahlberg; 2nd Assistant B-Camera Casey “Walrus” Howard; 1st Assistant B-Camera John Kairis with back to camera; B-camera Operator Lukasz Bielan; Director Michael Bay; and Director of Photography Amir Mokri. High resolution photo: http://bayhem.com/1c0euov

Looks like the film will include more reliance on Robot hieroglyphics on ancient pyramid style structures – probably in a desert then?

(Source: Michaelbay.com)