Britain's Prince Charles (R) and Camilla, Duchess of Cornwall (2R) greet Colombia's president Juan Manuel Santos and first lady Maria Clemencia Rodriguez at their suite in central London, on November 1, 2016. Colombian President Juan Manuel Santos, who won this year's Nobel Peace Prize for his efforts to implement a peace deal with FARC rebels, begins a state visit to Britain that includes a trip to once conflict-ridden Northern Ireland. / AFP / POOL / Chris Jackson (Photo credit should read CHRIS JACKSON/AFP/Getty Images)
