Conservators Madeleine Bisschoff and Meta Chavannes and senior scientist Klaas

Conservators Madeleine Bisschoff and Meta Chavannes and senior scientist Klaas Jan van den Berg outline a study on a collection of Marc Chagall’s artwork in the conservation atelier of the Stedelijk Museum in Amsterdam, Netherlands September 13, 2019. REUTERS/Piroschka van de Wouw