King Willem-Alexander (2nd R) and Queen Maxima (L) of the Netherlands attend the presentation of the book "The Swedes and the Dutch were made for each other", edited by Kristian Gerner, with Swedish King Carl XVI Gustaf (R) and Swedish Queen Silvia at the Rijksmuseum in Amsterdam, the Netherlands, on April 5, 2014. The Swedish royal couple is celebrating the 400th anniversary of the Swedish-Dutch relations during a two-day visit to the Netherlands. AFP PHOTO / ANP-POOL / FRANK VAN BEEK  
--NETHERLANDS OUT--        (Photo credit should read FRANK VAN BEEK/AFP via Getty Images)