Besides similarities in school or style, strong and detailed similarities seem to show that the work in both rooms was done by the same artist, despite being some distance apart.
Yanik le Guillou – Équipe Chauvet – Ministère de la Culture et de la Communication
Yanik le Guillou – Équipe Chauvet – Ministère de la Culture et de la Communication
Vist the site : The Chauvet-Pont d'Arc cave