"36 x Rembrandt" exhibition held in Warsaw

Sketches by Dutch artist Rembrandt HarmenszoonVan Rijn are seen in the Royal Castle in Warsaw, Poland, on Oct. 5, 2019. The "36 x Rembrandt" exhibition is held in Warsaw from Oct. 5 to Nov. 3 to mark the 350th anniversary of Rembrandt's death. (Photo by Jaap Arriens/Xinhua)