A general view of St. Peter's Basilica where Pope Francis leads the Palm Sunday mass without public participation due to the spread of coronavirus disease (COVID-19), at the Vatican April 5, 2020. Pope Francis began Easter week celebrations in St Peter's Basilica on Sunday under extraordinary circumstances, with no congregation allowed due to the coronavirus pandemic. Vatican Media/Handout via REUTERS

A general view shows Pope Francis and attendees Pope Francis during the Palm Sunday mass in St. Peter's Basilica, without public participation due to the spread of coronavirus disease (COVID-19), at the Vatican April 5, 2020. Francis led the Palm Sunday Mass accompanied only by a few priests. A choir was also present, as well as some nuns and lay people who read from the scriptures. Alberto Pizzoli/Pool via REUTERS

A nun sitting by a palm branch attends the Palm Sunday mass led by Pope Francis in St. Peter's Basilica, without public participation due to the spread of coronavirus disease (COVID-19), at the Vatican April 5, 2020. Last year the Mass was celebrated in St Peter's Square, and by the Vatican's own reckoning, there were between 40,000 and 50,000 people in attendance. Alberto Pizzoli/Pool via REUTERS

Pope Francis leads the Palm Sunday mass in St. Peter's Basilica without public participation due to the spread of coronavirus disease (COVID-19), at the Vatican April 5, 2020. Pope Francis began Easter week celebrations in St Peter's Basilica on Sunday under extraordinary circumstances, with no congregation allowed due to the coronavirus pandemic. Vatican Media/Handout via REUTERS

Attendees sit by palm branches during the Palm Sunday mass led by Pope Francis in St. Peter's Basilica, without public participation due to the spread of coronavirus disease (COVID-19), at the Vatican April 5, 2020. Francis led the Palm Sunday Mass accompanied only by a few priests. A choir was also present, as well as some nuns and lay people who read from the scriptures. Alberto Pizzoli/Pool via REUTERS

An empty view of St. Peter's Square and the Basilica is seen on Palm Sunday in Vatican City, during the coronavirus disease (COVID-19) outbreak April 5, 2020 in this handout satellite image. Last year the Mass was celebrated in St Peter's Square, and by the Vatican's own reckoning, there were between 40,000 and 50,000 people in attendance. Satellite image 2020 Maxar Technologies/Handout via REUTERS