CHRISTCHURCH, NEW ZEALAND - APRIL 14: (EDITORS NOTE: Image has been converted to black and white) Catherine Duchess of Cambridge and Prince William, Duke of Cambridge prepare to cut the 'flower ribbon' when they officially open the Visitor's Centre at the Botanical Gardens on April 14, 2014 in Christchurch, New Zealand. The Duke and Duchess of Cambridge are on a three-week tour of Australia and New Zealand, the first official trip overseas with their son, Prince George of Cambridge. (Photo by Chris Jackson/Getty Images)
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