AMSTERDAM, NETHERLANDS - NOVEMBER 28: King Philippe and Queen Mathilde of Belgium lay down a wreath at the National Monument at the Dam Square on November 29, 2016 in Amsterdam, Netherlands. (Photo by Patrick van Katwijk/Getty Images)
AMSTERDAM, NETHERLANDS - NOVEMBER 28: King Philippe and Queen Mathilde of Belgium lay down a wreath at the National Monument at the Dam Square on November 29, 2016 in Amsterdam, Netherlands. (Photo by Patrick van Katwijk/Getty Images)