Pope Francis and Archbishop Justin Welby stop to pray at the throne of St. Gregory during the recessional after Vespers at San Gregorio al Celio. Photo: Rev. Amanda Currie. (5 Oct. 2016) + more details

Pope Francis and Archbishop Justin Welby share a word and embrace during the Vespers at San Gregorio al Celio. Photo: L'Osservatore Romano. (5 Oct. 2016) + more details

Archbishop Justin Welby and Pope Francis entering San Gregorio al Celio for the ecumenical vespers. Photo: Bishop John Bauerschmidt. (5 Oct. 2016) + more details

Pope Francis greeting Bishop John Bauerschmidt during the ecumenical vespers at San Gregorio al Celio. (5 Oct. 2016) + more details

Final Benediction at the Ecumenical Vespers at San Gregorio al Celio. Photo: Paul Haring/CNS. (5 Oct. 2016) + more details

Commissioning of the IARCCUM bishops by Archbishop Justin Welby and Pope Francis. Photo: Vatican Television. (5 Oct. 2016) + more details

Archbishop Justin Welby gave Pope Francis a cross of nails from Coventry Cathedral. Photo: ACNS. (5 Oct. 2016) + more details

Pope Francis wears the Cross of Nails given to him by Archbishop Justin Welby as he gives a blessing during a service of Vespers at the Church of San Gregorio al Celio. Photo: Vatican Television. (5 Oct. 2016) + more details

Pope Francis and Archbishop Justin Welby share a word and embrace during the Vespers at San Gregorio al Celio. (5 Oct. 2016) + more details

Final Benediction at the Ecumenical Vespers at San Gregorio al Celio. Photo: Reuters. (5 Oct. 2016) + more details

The Archbishop of Canterbury Justin Welby with the Ecumenical Patriarch Bartholomew and Pope Francis at an ecumenical prayer for peace service in Assisi. Photo: Vatican Television/Radio Vaticana. (20 Sept. 2016) + more details

Pope Francis greets New Zealand Archbishop David Moxon, director of Rome's Anglican Centre, and Zambian Bishop William Mchombo of the Central African province at the end of his Wednesday general audience in St Peter's Square. Photo: Osservatore Romano. (12 Sept. 2016) + more details

Patriarch Kirill of Moscow and Pope Francis meeting in Havana, Cuba on February 12, 2016. This was the first meeting between a reigning pope and a patriarch of Moscow. Photo: EPA. (12 Feb. 2016) + more details

Pope Francis gave the homily at the Ecumenical Vespers for the Week of Prayer for Christian Unity. (25 Jan. 2016) + more details

ARCIC III co-chairs, Archbishops David Moxon and Bernard Longley, chat with Pope Francis during a private audience with the dialogue members. Photo: ANSA. (30 Apr. 2015) + more details

Archbishop Justin Welby and Pope Francis greeting. (14 June 2013) + more details

Pope Francis and Archbishop Justin Welby laughing. (14 June 2013) + more details

Archbishop Welby and Pope Francis at prayer together. (14 June 2013) + more details

Pope Francis and Archbishop Justin Welby greet during visit to Rome. (14 June 2013) + more details

Pope Francis welcomes Archbishop of Canterbury Justin Welby at the Vatican. Both spoke of the 'bonds of friendship and love' between the Roman Catholic Church and the Anglican Communion. Photo: Lambeth Palace. (14 June 2013) + more details

Archbishop Welby reading his address to Pope Francis. (14 June 2013) + more details

Pope Francis and Archbishop of Canterbury Justin Welby walking within the Vatican during the Archbishop's visit. (14 June 2013) + more details

Archbishop Welby sitting with Pope Francis. (14 June 2013) + more details

Archbishop of Canterbury Justin Welby greets Pope Francis during visit to Rome . (14 June 2013) + more details