The Danish Royal Guard stands in front of Amalienborg Palace during the daily exchange of the guards routine in Copenhagen, Denmark, January 13, 2024. Danish Crown Prince Frederik and his Australian-born wife Mary are to ascend the Danish throne as King Frederik X and Queen Mary on Sunday, January 14, as Queen Margrethe, abdicates after a reign of 52 years. REUTERS/Wolfgang Rattay

The Danish Royal Guard stands in front of Amalienborg Palace during the daily exchange of the guards routine in Copenhagen, Denmark, January 13, 2024. Danish Crown Prince Frederik and his Australian-born wife Mary are to ascend the Danish throne as King Frederik X and Queen Mary on Sunday, January 14, as Queen Margrethe, abdicates after a reign of 52 years. REUTERS/Wolfgang Rattay

FILE PHOTO: Denmark's Queen Margrethe is escorted by the Gardehusar Regiment's Horseskort in the golden carriage in Copenhagen, Denmark January 4, 2024. Ritzau Scanpix/Mads Claus Rasmussen via REUTERS ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. DENMARK OUT. NO COMMERCIAL OR EDITORIAL SALES IN DENMARK./File Photo

A tourist from Manchester, Britain, poses in front of a guard of the Danish Royal Guard during the daily exchange of the guards routine in front of Amalienborg Palace in Copenhagen, Denmark, January 13, 2024. Danish Crown Prince Frederik and his Australian-born wife Mary are to ascend the Danish throne as King Frederik X and Queen Mary on Sunday, January 14, as Queen Margrethe, abdicates after a reign of 52 years. REUTERS/Wolfgang Rattay

Images of Denmark's Crown Prince Frederik and Crown Princess Mary are displayed next to cakes decorated with a seal of the prince as King Frederik X, in the window of the well-known confectionery shop La Glace in Copenhagen, Denmark, January 13, 2024. Frederik is to ascend the Danish throne on Sunday, January 14, as his mother, Queen Margrethe, abdicates after a reign of 52 years. REUTERS/Wolfgang Rattay

People queue to buy cakes decorated with a seal of Denmark's Crown Prince Frederik as King Frederik X, displayed in the window of the well-known confectionery shop La Glace in Copenhagen, Denmark, January 13, 2024. Frederik is to ascend the Danish throne on Sunday, January 14, as his mother, Queen Margrethe, abdicates after a reign of 52 years. REUTERS/Wolfgang Rattay

A horse of the Danish Royal Horse Guard gets his hoofs shined with black colour at the stable of Christiansborg Palace as 48 horses are prepared for a training run for the upcoming coronation of Denmark's Crown Prince Frederik and his Australian-born Crown Princess Mary in Copenhagen, Denmark, January 13, 2024. Frederik is to ascend the Danish throne on Sunday, January 14, as his mother, Queen Margrethe, abdicates after a reign of 52 years. REUTERS/Wolfgang Rattay

Trumpeters of the Danish Royal Horse Guard train for the upcoming coronation of Denmark's Crown Prince Frederik and his Australian-born Crown Princess Mary in front of Christiansborg Castle in Copenhagen, Denmark, January 13, 2024. Frederik is to ascend the Danish throne on Sunday, January 14, as his mother, Queen Margrethe, abdicates after a reign of 52 years. REUTERS/Wolfgang Rattay

The Danish Royal Guard stands in front of Amalienborg Palace during the daily exchange of the guards routine in Copenhagen, Denmark, January 13, 2024. Danish Crown Prince Frederik and his Australian-born wife Mary are to ascend the Danish throne as King Frederik X and Queen Mary on Sunday, January 14, as Queen Margrethe, abdicates after a reign of 52 years. REUTERS/Wolfgang Rattay

Soldiers from the Danish Guard Hussar regiment rehearse outside the Royal Stables at Christiansborg Palace for Sunday, January 14, when Denmark's Queen Margrethe is to abdicate and her eldest son, Crown Prince Frederik, is to take the throne, in Copenhagen, Denmark, January 13, 2024. Ritzau Scanpix/Mads Claus Rasmussen/via REUTERS ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. DENMARK OUT. NO COMMERCIAL OR EDITORIAL SALES IN DENMARK.

Soldiers from the Danish Guard Hussar regiment ride outside the Royal Stables at Christiansborg Palace as they rehearse for Sunday, January 14, when Denmark's Queen Margrethe is to abdicate and her eldest son, Crown Prince Frederik, is to take the throne, in Copenhagen, Denmark, January 13, 2024. Ritzau Scanpix/Mads Claus Rasmussen/via REUTERS ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. DENMARK OUT. NO COMMERCIAL OR EDITORIAL SALES IN DENMARK.

A trumpeter of the Danish Royal Horse Guard mucks out the stable of Christiansborg Palace as other members of the horse guard consisting of 48 horses receive instructions for a training run for the upcoming coronation of Denmark's Crown Prince Frederik and his Australian-born Crown Princess Mary in Copenhagen, Denmark, January 13, 2024. Frederik is to ascend the Danish throne on Sunday, January 14, as his mother, Queen Margrethe, abdicates after a reign of 52 years. REUTERS/Wolfgang Rattay

The Danish Royal Horse Guard trains with a proxy carriage for the upcoming coronation of Denmark's Crown Prince Frederik and his Australian-born Crown Princess Mary in the yard of Christiansborg Palace in Copenhagen, Denmark, January 13, 2024. Frederik is to ascend the Danish throne as King Frederik X on Sunday, January 14, as his mother, Queen Margrethe, abdicates after a reign of 52 years. REUTERS/Wolfgang Rattay

Klara Kronow, a trumpeter of the Danish Royal Horse Guard saddles her horse Missel at the stable of Christiansborg Palace as the guard consisting of 48 horses gets ready for a training run for the upcoming coronation of Denmark's Crown Prince Frederik and his Australian-born Crown Princess Mary in Copenhagen, Denmark, January 13, 2024. Frederik is to ascend the Danish throne on Sunday, January 14, as his mother, Queen Margrethe, abdicates after a reign of 52 years. REUTERS/Wolfgang Rattay

Trumpeters of the Danish Royal Horse Guard train for the upcoming coronation of Denmark's Crown Prince Frederik and his Australian-born wife Crown Princess Mary in front of Christiansborg Palace in Copenhagen, Denmark, January 13, 2024. Frederik is to ascend the Danish throne on Sunday, January 14, as his mother, Queen Margrethe, abdicates after a reign of 52 years. REUTERS/Wolfgang Rattay

A tourist from Manchester, Britain, poses in front of a guard of the Danish Royal Guard during the daily exchange of the guards routine in front of Amalienborg Palace in Copenhagen, Denmark, January 13, 2024. Danish Crown Prince Frederik and his Australian-born wife Mary are to ascend the Danish throne as King Frederik X and Queen Mary on Sunday, January 14, as Queen Margrethe, abdicates after a reign of 52 years. REUTERS/Wolfgang Rattay

The Danish Royal Horse Guard trains with a proxy carriage for the upcoming coronation of Denmark's Crown Prince Frederik and his Australian-born Crown Princess Mary in the yard of Christiansborg Palace in Copenhagen, Denmark, January 13, 2024. Frederik is to ascend the Danish throne as King Frederik X on Sunday, January 14, as his mother, Queen Margrethe, abdicates after a reign of 52 years. REUTERS/Wolfgang Rattay

People visit Amalienborg Palace Square ahaead of Sunday, January 14, when Denmark's Queen Margrethe is to abdicate and her eldest son, Crown Prince Frederik, is to take the throne, in Copenhagen, Denmark, January 13, 2024. Ritzau Scanpix/Mads Claus Rasmussen/via REUTERS ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. DENMARK OUT. NO COMMERCIAL OR EDITORIAL SALES IN DENMARK.

The Danish Royal Guard stands in front of Amalienborg Palace during the daily exchange of the guards routine in Copenhagen, Denmark, January 13, 2024. Danish Crown Prince Frederik and his Australian-born wife Mary are to ascend the Danish throne as King Frederik X and Queen Mary on Sunday, January 14, as Queen Margrethe, abdicates after a reign of 52 years. REUTERS/Wolfgang Rattay

The Danish Royal Horse Guard consisting of 48 horses is waiting at the stable of Christiansborg Palace to start a training run for the upcoming coronation of Denmark's Crown Prince Frederik and his Australian-born Crown Princess Mary in Copenhagen, Denmark, January 13, 2024. Frederik is to ascend the Danish throne on Sunday, January 14, as his mother, Queen Margrethe, abdicates after a reign of 52 years. REUTERS/Wolfgang Rattay

The Danish Royal Horse Guard trains for the upcoming coronation of Denmark's Crown Prince Frederik and his Australian-born Crown Princess Mary in front of Christiansborg Palace in Copenhagen, Denmark, January 13, 2024. Frederik is to ascend the Danish throne as King Frederik X on Sunday, January 14, as his mother, Queen Margrethe, abdicates after a reign of 52 years. REUTERS/Wolfgang Rattay

Soldiers from the Danish Guard Hussar regiment ride outside the Royal Stables at Christiansborg Palace as they rehearse for Sunday, January 14, when Denmark's Queen Margrethe is to abdicate and her eldest son, Crown Prince Frederik, is to take the throne, in Copenhagen, Denmark, January 13, 2024. Ritzau Scanpix/Mads Claus Rasmussen/via REUTERS ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. DENMARK OUT. NO COMMERCIAL OR EDITORIAL SALES IN DENMARK.

People line up in front the well-known confectionary La Glace to buy chocolate cakes decorated with a seal of Denmark’s new King Frederik X in Copenhagen, Denmark, January 13, 2024. Frederik is to ascend the Danish throne on Sunday, January 14, as his mother, Queen Margrethe, abdicates after a reign of 52 years. REUTERS/Wolfgang Rattay

Soldiers from the Danish Guard Hussar regiment rehearse outside the Royal Stables at Christiansborg Palace for Sunday, January 14, when Denmark's Queen Margrethe is to abdicate and her eldest son, Crown Prince Frederik, is to take the throne, in Copenhagen, Denmark, January 13, 2024. Ritzau Scanpix/Mads Claus Rasmussen/via REUTERS ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. DENMARK OUT. NO COMMERCIAL OR EDITORIAL SALES IN DENMARK.