The post-apoacalyptic story told by the movie Tears of Steel was shot in front of a green screen, placing a slight amount of tangible objects in a huge virtual world. For months 27 filmmakers carefully erased all the green behind the actors and built doves, robots and carbonised facades instead. The moon was built from scratch, the digitally rendered weeds swarm over the pavement.
There is a sword that draws a collection of swords in the back of your head