PERTH, AUSTRALIA - OCTOBER 31: West Australian Premier Colin Barnett and his wife Lyn greet King Willem-Alexander and Queen Maxima of the Netherlands at Victoria Quay 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)