King Willem-Alexander of the Netherlands and King Felipe VI of Spain officially opened the Rembrandt-Velázquez exhibition at the Rijksmuseum today. In the exhibition Rembrandt-Velázquez 60 paintings by Spanish and Dutch masters are on show, including some of the greatest pieces by Rembrandt, Velázquez, Murillo, Hals, Zurbarán and Vermeer. The Rijksmuseum’s General Director…