King Willem-Alexander Of The Netherdands And Queen Maxima Of The Netherlands Visit a Former Mining Region [Getty Images]

GELEEN, NETHERLANDS - OCTOBER 8: King Willem-Alexander and Queen Maxima of The Netherlands receive flowers during a visit to the former mining region on October 8, 2015 in Geleen, Netherlands. The region this year celebrates the 'Year of the Mines', 50 years after the announcement of the closing of the mines. (Photo by Michel Porro/WireImage)

WireImage Michel Porro