Marking World Day of Migrants and Refugees, Pope Francis celebrates a mass in St. Peter's Square. Choir and faithful of all ethnic groups. "We ask for the grace to cry" for the "sin" of indifference. The plundered resources and the arms market. "The commandment is to love God and love one's neighbor. They cannot be separated! " The greeting of Card. Bassetti. Prayers for Cameroon and sculpture that recalls "the evangelical challenge to show hospitality".