The Queen, Duke of Edinburgh, The Prince of Wales and Duchess of Cornwall Visit Cardiff [Getty Images]

CARDIFF, WALES - JUNE 07: Queen Elizabeth II speaks to Phd student Gemma Williams (right) after unveiling her artwork A Penny for your Thoughts, at Cardiff University Brain Research Imaging Centre on June 7, 2016 in Cardiff, Wales. (Photo by Dominic Lipinski - WPA Pool/Getty Images)

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