 To mark the ending of his tenure as Archbishop of Canterbury, Williams presented a BBC television documentary about Canterbury Cathedral, in which he reflected upon his time in office.Entitled "Goodbye to Canterbury", the programme was screened on 1 January 2013.On 9 February 2010, in an address to the General Synod of the Church of England, Williams warned that damaging infighting over the ordination of women as bishops and gay priests could lead to a permanent split in the Anglican Communion.