SLIGO, IRELAND - MAY 20: (L-R) The Very Rev. Arfon Williams, Prince Charles, Prince of Wales and Camilla, Duchess of Cornwall, Former President of Ireland Mary McAleese, Martin McAleese, and Minister of Foreign Affairs Charlie Flanagan attend a tree planting ceremony after a service of peace and reconciliation at St. Columba's Church in Drumcliffe on the second day of a four day visit to Ireland on May 20, 2015 in Sligo, Ireland. The Prince of Wales and Duchess of Cornwall arrived in Ireland yesterday for their four day visit to the Republic and Northern Ireland, the visit has been described by the British Embassy as another important step in promoting peace and reconciliation. (Photo by Brian Lawless - WPA Pool/Getty Images)
