PERTH, AUSTRALIA - OCTOBER 31: King Willem-Alexander and Queen Maxima of the Netherlands officially unveil the Dirk Hartog dish at the Western Australian Maritime Museum in the Fremantle on October 31, 2016 in Fremantle, Australia. The Dutch King and Queen are in Perth to commemorate the 400th anniversary of the landing of Dutch explorer Dirk Hartog in Western Australia. (Photo by Paul Kane/Getty Images)
