(VIDEOS) European Royals Attend a Ceremony Marking the 70th Anniversary of the Liberation of the Auschwitz-Birkenau Concentration Camp.

On Tuesday, January 27, 2015, Their Majesties King Willem-Alexander and Queen Maxima of the Netherlands, Their Majesties King Philippe and Queen Mathilde of Belgium, Their Royal Highnesses Hereditary Grand Duke Guillaume and Hereditary Grand Duchess Stephanie of Luxembourg, Her Royal Highness Crown Princess Victoria of Sweden, His Royal Highness Crown Prince Haakon of Norway and His Royal Highness Crown Prince Frederik of Denmark along with dozens of dignitaries from around Europe as well as survivors of the Holocaust attended a solemn ceremony marking the 70th anniversary of the liberation of the Nazi concentration camp, Auschwitz-Birkenau, in Poland.