Denmark's Crown Prince Frederik looks at a Lego model of the Frederiksstaden, the Danish equivalent of the Forbiddenm City, during the opening of an exhibition titled A Modern Household, at the Danish Cultural Center in the 798 art district in Beijing on September 23, 2017.
Crown Prince Frederik is on a four-day visit to China. / AFP PHOTO / GREG BAKER        (Photo credit should read GREG BAKER/AFP/Getty Images)