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The Hague, NETHERLANDS - SEPTEMBER 6: King Willem-Alexander of the Netherlands opens the Oranjehotel and Cel 601 at the Prison of Scheveningen on September 04, 2019 in Beltrum, Netherlands. The memorial center is located in the restored cell complex of the Scheveningen prison in which more than 25.000 Dutch people were imprisoned during the WWII. (Photo by Patrick van Katwijk/Getty Images)

The Hague, NETHERLANDS - SEPTEMBER 6: King Willem-Alexander of the Netherlands opens the Oranjehotel and Cel 601 at the Prison of Scheveningen on September 04, 2019 in Beltrum, Netherlands. The memorial center is located in the restored cell complex of the Scheveningen prison in which more than 25.000 Dutch people were imprisoned during the WWII. (Photo by Patrick van Katwijk/Getty Images)