Video: Giant pope face ploughed into field Explaining why he chose to portray Pope Francis, Mr Gambarin said he was struck by Francis' announcement that he would lead a worldwide day of fasting and prayer for peace in Syria September 7, and wanted to contribute something to the pontiff's appeal. Francis invited Catholics, other Christians, those of other faiths and non-believers who are "men of good will" to join him that evening in St. Peter's Square to invoke the "gift" of peace for Syria, the rest of the Middle East and worldwide where there is conflict.