Of Extinction - Transformers: Age

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

: 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 : Transformers: Age Of Extinction

: Dubstep artist Skrillex was hired to create a custom library of sound effects for the film. : Industrial Light & Magic employed over 500

: Mark Wahlberg reportedly performed 90% of his own stunts . the production used creative "California doubling

: It was the first feature film shot using smaller digital IMAX 3D cameras , alongside various other formats like 70mm film and GoPros.