It's the largest-selling work of fiction and the largest film produced and this will be the largest exhibition undertaken.

It's absolutely packed with insights into the various technologies of the film-making industry and some of the technology is absolutely ground-breaking.

This exhibition gives a unique behind-the-scenes look at the science and technology which made the film trilogy possible.

The sheer visual impact of the display, coupled with the enormity of the numbers of victims, is humbling and troubling at the same time. It serves as a reminder that we as a society cannot let anything like this ever happen again.