A major new international exhibition, 'Bellini, Giorgione, Titian, and the Renaissance of Venetian Painting,' will present more than 50 masterpieces from the most exciting period of the Renaissance in Venice. Premiering June 18 through September 17 at the National Gallery of Art, Washington, the exhibition explores the relationships between these and other artists, emphasizes their innovative treatments of new pictorial themes such as the pastoral landscape, and reveals what modern conservation science has discovered about the Venetian painters' techniques.