Pope Francis (C) and Master of Pontifical Liturgical Ceremonies, Italian priest Guido Marini (R) arrive to celebrate the "In Coena Domini" Mass of the Lord's Supper of Maundy Thursday, commemorating the Last Supper of Jesus with his disciples and inaugurating the Easter triduum, on April 9, 2020 behind closed doors at St. Peter's basilica in the Vatican, during the lockdown aimed at curbing the spread of the COVID-19 infection, caused by the novel coronavirus. (Photo by ALESSANDRO DI MEO / POOL / AFP)