A car known as the Firebreather was created for the film.
Smith went on to play Ice, a role created specifically for the film.
"People think I created the car for the film, but it's the other way around."
What's really cool is the digital city that's been created for the film.
The shuttle used in the scene was the only new model created for the film.
The clock doesn't exist in real life, but was created for the film.
Following the release of the documentary, an official website was created for the film.
Two original stories written by Miller were also created exclusively for the film.
In all, 875 special digital effects were created for the film.
A whole world that doesn't exist had to be created for the film.