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Dutch King Willem-Alexander (C) and Queen Maxima (2R) visit a farm in the Krimpenerwaard region, on February 21, 2017. / AFP / ANP / Koen van Weel / Netherlands OUT (Photo credit should read KOEN VAN WEEL/AFP/Getty Images)

Dutch King Willem-Alexander (C) and Queen Maxima (2R) visit a farm in the Krimpenerwaard region, on February 21, 2017.  / AFP / ANP / Koen van Weel / Netherlands OUT        (Photo credit should read KOEN VAN WEEL/AFP/Getty Images)

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Dutch King Willem-Alexander and Queen Maxima (R) pose as they visit Krimpen aan den IJssel in the Krimpenerwaard region, on February 21, 2017. / AFP / ANP / Robin van Lonkhuijsen / Netherlands OUT (Photo credit should read ROBIN VAN LONKHUIJSEN/AFP/Getty Images)

Dutch King Willem-Alexander and Queen Maxima (R) pose as they visit Krimpen aan den IJssel in the Krimpenerwaard region, on February 21, 2017.  / AFP / ANP / Robin van Lonkhuijsen / Netherlands OUT        (Photo credit should read ROBIN VAN LONKHUIJSEN/AFP/Getty Images)

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GOUDERAK, NETHERLANDS - FEBRUARY 21 : King Willem-Alexander Of The Netherlands and Queen Maxima Of he Netherlands visit guest farm de Appelgaard in Gouderak on February 21, 2017 in Gouderak, Netherlands. (Photo by Patrick van Katwijk/Getty Images)

GOUDERAK, NETHERLANDS - FEBRUARY 21 : King Willem-Alexander Of The Netherlands and Queen Maxima Of he Netherlands visit guest farm de Appelgaard in Gouderak on February 21, 2017 in Gouderak, Netherlands. (Photo by Patrick van Katwijk/Getty Images)

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GOUDERAK, NETHERLANDS - FEBRUARY 21 : Queen Maxima visits guest farm de Appelgaard in Gouderak on February 21, 2017 in Gouderak, Netherlands. (Photo by Patrick van Katwijk/Getty Images)

GOUDERAK, NETHERLANDS - FEBRUARY 21 : Queen Maxima visits guest farm de Appelgaard in Gouderak on February 21, 2017 in Gouderak, Netherlands. (Photo by Patrick van Katwijk/Getty Images)

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KRIMPEN AAN DEN IJSSEL, NETHERLANDS - FEBRUARY 21 : Queen Maxima of The Netherlands visits the town hall in on February 21, 2017 in Krimpen aan den IJssel, Netherlands. (Photo by Patrick van Katwijk/Getty Images)

KRIMPEN AAN DEN IJSSEL, NETHERLANDS - FEBRUARY 21 :  Queen Maxima of The Netherlands visits the town hall in on February 21, 2017 in Krimpen aan den IJssel, Netherlands. (Photo by Patrick van Katwijk/Getty Images)