Transformers: Age Of Extinction -

: Industrial Light & Magic employed over 500 people to render roughly 90 minutes of visual effects for the 165-minute runtime.

: This film marked the first live-action appearance of the Dinobots , including their leader Grimlock , a fire-breathing mechanical Tyrannosaurus Rex. Transformers: Age Of Extinction

: While much of the climax is set in Hong Kong , the production used creative "California doubling," filming many Hong Kong-based scenes in Detroit and Chicago before moving on-location to China. Technical Milestones : : Industrial Light & Magic employed over 500

: Mark Wahlberg reportedly performed 90% of his own stunts . including their leader Grimlock

: Dubstep artist Skrillex was hired to create a custom library of sound effects for the film.