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BERLIN, GERMANY - APRIL 21: King Carl XVI Gustaf of Sweden and Queen Silvia of Sweden (both C) and Bundestag vice-president Michaela Noll (R) pose with members of the World Scout Foundation on the steps of the Reichstag during a visit to the Bundestag on April 21, 2017 in Berlin, Germany. (Photo by Sean Gallup/Getty Images)

BERLIN, GERMANY - APRIL 21:  King Carl XVI Gustaf of Sweden and Queen Silvia of Sweden (both C) and Bundestag vice-president Michaela Noll (R) pose with members of the World Scout Foundation on the steps of the Reichstag during a visit to the Bundestag on April 21, 2017 in Berlin, Germany.  (Photo by Sean Gallup/Getty Images)

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BERLIN, GERMANY - APRIL 21: Queen Silvia of Sweden enters the Reichstag following a group photo with members of the World Scout Foundation on the steps of the Reichstag during a visit to the Bundestag on April 21, 2017 in Berlin, Germany. (Photo by Sean Gallup/Getty Images)

BERLIN, GERMANY - APRIL 21:  Queen Silvia of Sweden enters the Reichstag following a group photo with members of the World Scout Foundation on the steps of the Reichstag during a visit to the Bundestag on April 21, 2017 in Berlin, Germany.  (Photo by Sean Gallup/Getty Images)

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BERLIN, GERMANY - APRIL 21: Queen Silvia of Sweden enters the Reichstag following a group photo with members of the World Scout Foundation on the steps of the Reichstag during a visit to the Bundestag on April 21, 2017 in Berlin, Germany. (Photo by Sean Gallup/Getty Images)

BERLIN, GERMANY - APRIL 21:  Queen Silvia of Sweden enters the Reichstag following a group photo with members of the World Scout Foundation on the steps of the Reichstag during a visit to the Bundestag on April 21, 2017 in Berlin, Germany.  (Photo by Sean Gallup/Getty Images)

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BERLIN, GERMANY - APRIL 21: King Carl XVI Gustaf of Sweden and Queen Silvia of Sweden (both C) and Bundestag vice-president Michaela Noll (R) pose with members of the World Scout Foundation on the steps of the Reichstag during a visit to the Bundestag on April 21, 2017 in Berlin, Germany. (Photo by Sean Gallup/Getty Images)

BERLIN, GERMANY - APRIL 21:  King Carl XVI Gustaf of Sweden and Queen Silvia of Sweden (both C) and Bundestag vice-president Michaela Noll (R) pose with members of the World Scout Foundation on the steps of the Reichstag during a visit to the Bundestag on April 21, 2017 in Berlin, Germany.  (Photo by Sean Gallup/Getty Images)

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BERLIN, GERMANY - APRIL 21: King Carl XVI Gustaf of Sweden and Queen Silvia of Sweden (both C) and Bundestag vice-president Michaela Noll (C-R) pose with members of the World Scout Foundation on the steps of the Reichstag during a visit to the Bundestag on April 21, 2017 in Berlin, Germany. (Photo by Sean Gallup/Getty Images)

BERLIN, GERMANY - APRIL 21:  King Carl XVI Gustaf of Sweden and Queen Silvia of Sweden (both C) and Bundestag vice-president Michaela Noll (C-R) pose with members of the World Scout Foundation on the steps of the Reichstag during a visit to the Bundestag on April 21, 2017 in Berlin, Germany.  (Photo by Sean Gallup/Getty Images)