On a single breath of air, Guillaume Néry explores the deepest pool in the world in Italy: Y40. The action is filmed on breath hold by his wife Julie Gautier. Find all their productions on: www.lesfilmsengloutis.com This video is exclusively managed by Caters News. To license or use in a commercial player please contact info@catersnews.com or +44 121 616 1100 / +1 646 380 1615