Colombian President Juan Manuel Santos (3R) and the Colombian First Lady Maria Clemencia Rodriguez (2R) and their children Maria Antonia (L), Esteban (2L) and Martin (R) pose with Britain's Prince Charles, Prince of Wales (C) and Camilla, Duchess of Cornwall (3L) during a visit to Clarence House in London on November 1, 2016 on the first day of the Colombian state visit to the UK. 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 / HANNAH MCKAY (Photo credit should read HANNAH MCKAY/AFP/Getty Images)
