Experts at the Mauritshuis in The Hague believe Paulus Potter toned down The Bull to respect 17th-century sensibilities

The Bull by Paulus Potter is one of the star paintings at the Mauritshuis in The Hague, a bucolic image of animals and a farmer.

But new research suggests the painting has unexpected hidden depths: conservators restoring the artwork say the bull’s testicles were originally much larger, and appeared to have been halved in size by the artist to respect 17th-century sensibilities.