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BERLIN, GERMANY - JULY 06: King Willem-Alexander of the Netherlands and Queen Maxima of the Netherlands visit the cupola of the Reichstag on July 06, 2021 in Berlin, Germany. Their Royal Highnesses are paying their first official visit since the global health crisis began over a year ago, with a state visit to Germany from July 5-7. (Photo by Sean Gallup/Getty Images)

BERLIN, GERMANY - JULY 06:  King Willem-Alexander of the Netherlands and Queen Maxima of the Netherlands visit the cupola of the Reichstag on July 06, 2021 in Berlin, Germany. Their Royal Highnesses are paying their first official visit since the global health crisis began over a year ago, with a state visit to Germany from July 5-7. (Photo by Sean Gallup/Getty Images)

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BERLIN, GERMANY - JULY 06: King Willem-Alexander of the Netherlands and Queen Maxima of the Netherlands visit the cupola of the Reichstag on July 06, 2021 in Berlin, Germany. Their Royal Highnesses are paying their first official visit since the global health crisis began over a year ago, with a state visit to Germany from July 5-7. (Photo by Sean Gallup/Getty Images)

BERLIN, GERMANY - JULY 06:  King Willem-Alexander of the Netherlands and Queen Maxima of the Netherlands visit the cupola of the Reichstag on July 06, 2021 in Berlin, Germany. Their Royal Highnesses are paying their first official visit since the global health crisis began over a year ago, with a state visit to Germany from July 5-7. (Photo by Sean Gallup/Getty Images)

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BERLIN, GERMANY - JULY 06: King Willem-Alexander of the Netherlands and Queen Maxima of the Netherlands walk around the inside of the cupola of the Reichstag building, housing the Bundestag, the lower house of parliament, on July 6, 2021 in Berlin, Germany. Their Royal Highnesses are paying their first official visit since the global health crisis began over a year ago, with a state visit to Germany from July 5-7. (Photo by Tobias Schwarz - Pool/Getty Images)

BERLIN, GERMANY - JULY 06:  King Willem-Alexander of the Netherlands and Queen Maxima of the Netherlands walk around the inside of the cupola of the Reichstag building, housing the Bundestag, the lower house of parliament, on July 6, 2021 in Berlin, Germany. Their Royal Highnesses are paying their first official visit since the global health crisis began over a year ago, with a state visit to Germany from July 5-7.  (Photo by Tobias Schwarz - Pool/Getty Images)

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BERLIN, GERMANY - JULY 06: King Willem-Alexander of the Netherlands and Queen Maxima of the Netherlands visit the cupola of the Reichstag on July 06, 2021 in Berlin, Germany. Their Royal Highnesses are paying their first official visit since the global health crisis began over a year ago, with a state visit to Germany from July 5-7. (Photo by Sean Gallup/Getty Images)

BERLIN, GERMANY - JULY 06:  King Willem-Alexander of the Netherlands and Queen Maxima of the Netherlands visit the cupola of the Reichstag on July 06, 2021 in Berlin, Germany. Their Royal Highnesses are paying their first official visit since the global health crisis began over a year ago, with a state visit to Germany from July 5-7. (Photo by Sean Gallup/Getty Images)

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BERLIN, GERMANY - JULY 06: King Willem-Alexander of the Netherlands and Queen Maxima of the Netherlands read an information plate as they visit the inside of the cupola of the Reichstag building, housing the Bundestag, the lower house of parliament, on July 6, 2021 in Berlin, Germany. Their Royal Highnesses are paying their first official visit since the global health crisis began over a year ago, with a state visit to Germany from July 5-7. (Photo by Tobias Schwarz - Pool/Getty Images)

BERLIN, GERMANY - JULY 06:  King Willem-Alexander of the Netherlands and Queen Maxima of the Netherlands read an information plate as they visit the inside of the cupola of the Reichstag building, housing the Bundestag, the lower house of parliament, on July 6, 2021 in Berlin, Germany. Their Royal Highnesses are paying their first official visit since the global health crisis began over a year ago, with a state visit to Germany from July 5-7.  (Photo by Tobias Schwarz - Pool/Getty Images)