The first test, we shot it on the very first black-and-white IMAX film ever made.
We projected it on an IMAX screen at the CitiwalkUniversal.
But nevertheless, Nolan felt that the film supports a reduction in such weaponry and that was important.

Its very important that rather than despair in reality, people are looking at advocacy.
You never quite know until you get to that point.
I won a Pulitzer Prize, but it was still a challenging piece of material.