Denmark's King Frederik X, left and Queen Mary, are welcomed by Sweden's Queen Silvia, centre right and King Carl XVI Gustaf, upon their arrival, at Skeppsbron, in Stockholm, Sweden, Monday, May 6, 2024. Denmark’s King Frederik X have arrived in Stockholm, accompanied by his Australian-born wife Queen Mary, as he embarked on his first official visit abroad as new Danish monarch. (Ida Marie Odgaard//TT News Agency via AP)