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COPENHAGEN, DENMARK - MAY 03: Queen Margrethe of Denmark on the Royal ship Dannebrog as the ship lays to the quay on May 3, 2017 in Elsinore, Denmark. Its a Danish tradition that the Queen commence the sailing season with a small trip on board of the Dannebrog from Copenhagen to Elsinore (Helsingor). During June and August the Queen will visit three other Danish ports with the Royal ship. (Photo by Ole Jensen - Corbis/Corbis via Getty Images)

COPENHAGEN, DENMARK - MAY 03: Queen Margrethe of Denmark on the Royal ship Dannebrog as the ship lays to the quay on May 3, 2017 in Elsinore, Denmark. Its a Danish tradition that the Queen commence the sailing season with a small trip on board of the Dannebrog from Copenhagen to Elsinore (Helsingor). During June and August the Queen will visit three other Danish ports with the Royal ship. (Photo by Ole Jensen - Corbis/Corbis via Getty Images)

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COPENHAGEN, DENMARK - MAY 03: Queen Margrethe of Denmark waves to bystanders during her arrival to Elsinore with the Royal ship Dannebrog on May 3, 2017 in Elsinore, Denmark. Its a Danish tradition that the Queen commence the sailing season with a small trip on board of the Dannebrog from Copenhagen to Elsinore (Helsingor). During June and August the Queen will visit three other Danish ports with the Royal ship. (Photo by Ole Jensen - Corbis/Corbis via Getty Images)

COPENHAGEN, DENMARK - MAY 03: Queen Margrethe of Denmark waves to bystanders during her arrival to Elsinore with the Royal ship Dannebrog on May 3, 2017 in Elsinore, Denmark. Its a Danish tradition that the Queen commence the sailing season with a small trip on board of the Dannebrog from Copenhagen to Elsinore (Helsingor). During June and August the Queen will visit three other Danish ports with the Royal ship. (Photo by Ole Jensen - Corbis/Corbis via Getty Images)

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COPENHAGEN, DENMARK - MAY 03: Queen Margrethe of Denmark waves to bystanders after borading the small Royal chalup which brings her to the Royal ship Dannebrog which is at anchor on deeper water in the harbour on May 3, 2017 in Copenhagen, Denmark. Its a Danish tradition that the Queen commence the sailing season with a small trip on board of the Dannebrog from Copenhagen to Elsinore (Helsingor). During June and August the Queen will visit three other Danish ports with the Royal ship. (Photo by Ole Jensen - Corbis/Corbis via Getty Images)

COPENHAGEN, DENMARK - MAY 03: Queen Margrethe of Denmark waves to bystanders after borading the small Royal chalup which brings her to the Royal ship Dannebrog which is at anchor on deeper water in the harbour on May 3, 2017 in Copenhagen, Denmark. Its a Danish tradition that the Queen commence the sailing season with a small trip on board of the Dannebrog from Copenhagen to Elsinore (Helsingor). During June and August the Queen will visit three other Danish ports with the Royal ship. (Photo by Ole Jensen - Corbis/Corbis via Getty Images)

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COPENHAGEN, DENMARK - MAY 03: Queen Margrethe of Denmark arrives to the quay of call where the Royal chalup brings her to her ship Dannebrog which is at anchor on deeper water in the harbour on May 3, 2017 in Copenhagen, Denmark. Its a Danish tradition that the Queen commence the sailing season with a small trip on board of the Dannebrog from Copenhagen to Elsinore (Helsingor). During June and August the Queen will visit three other Danish ports with the Royal ship. (Photo by Ole Jensen - Corbis/Corbis via Getty Images)

COPENHAGEN, DENMARK - MAY 03: Queen Margrethe of Denmark arrives to the quay of call where the Royal chalup brings her to her ship Dannebrog which is at anchor on deeper water in the harbour on May 3, 2017 in Copenhagen, Denmark. Its a Danish tradition that the Queen commence the sailing season with a small trip on board of the Dannebrog from Copenhagen to Elsinore (Helsingor). During June and August the Queen will visit three other Danish ports with the Royal ship. (Photo by Ole Jensen - Corbis/Corbis via Getty Images)

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COPENHAGEN, DENMARK - MAY 03: Queen Margrethe of Denmark arrives to the quay of call where the Royal chalup brings her to her ship Dannebrog which is at anchor on deeper water in the harbour on May 3, 2017 in Copenhagen, Denmark. Its a Danish tradition that the Queen commence the sailing season with a small trip on board of the Dannebrog from Copenhagen to Elsinore (Helsingor). During June and August the Queen will visit three other Danish ports with the Royal ship. (Photo by Ole Jensen - Corbis/Corbis via Getty Images)

COPENHAGEN, DENMARK - MAY 03: Queen Margrethe of Denmark arrives to the quay of call where the Royal chalup brings her to her ship Dannebrog which is at anchor on deeper water in the harbour on May 3, 2017 in Copenhagen, Denmark. Its a Danish tradition that the Queen commence the sailing season with a small trip on board of the Dannebrog from Copenhagen to Elsinore (Helsingor). During June and August the Queen will visit three other Danish ports with the Royal ship. (Photo by Ole Jensen - Corbis/Corbis via Getty Images)