Transformers: Age Of Extinction -

: 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