In an interview looking back on the film with Vulture, Cuarón revealed that he approached Banksy about giving artistic input, which unfolded in typically Banksy, mysterious fashion.
Alfonso Cuarón’s 2006 film Children of Men featured many murals on crumbling walls, trying to convey the dystopian nature of the environment with every shot.
‘They also came close to having another artistic collaborator: the infamously anonymous street artist Banksy.
“Banksy was not yet the famous Banksy that he is now, and I dug him,” Cuarón says.