Russia's State Hermitage Museum in St. Petersburg is home to countless pieces of art from around the world. We go behind the scenes of the former imperial palace on the Neva River to meet volunteers of all kinds...including cats. They are the keepers of the Hermitage. Some reside here. Others dedicate entire days to assist the legendary museum, its staff, and visitors. How many cats inhabit the Winter Palace? And why do they have their own celebration — Hermitage Cat Day?
Secret Hermitage helpers
