Marks the first time a feature-length animation has won prestigious Cannes parallel selection, Critics' Week Grand Prize.
Spent around 7 years in production, with the first talks of adapting the original book taking place in 2011.
According to Jérémy Clapin, his goal is for viewers to forget they are watching an animation film by making the film structured as a puzzle.
Created using the free open-source software Blender
Although the film never names the hand, in the screenplay she is referred to as Rosalie.