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Britain's Prince William and his wife Catherine, the Duchess of Cambridge, walk around the vineyard during a visit to the Amisfield Winery in Queenstown on April 13, 2014

Royal couple visit the heartlands and Gardens by the Bay

Large crowds gather as Prince William and his wife Catherine tour Singapore in their second day of visit.

They kick-started their day with a tour of the Supertree Grove at Gardens by the Bay, followed by the Rolls Royce Seletar campus and then to Queenstown to soak up the heartland spirit.