Mass

Nuns pray during an early morning Rorate mass in Frnaciscan church in Bratislava on December 17, 2015.   Rorate Mass which is traditionally celebrated in Advent, in honour of Holy Mary, in the dark of the morning before sunrise, by candlelight.

Vladimir Simicek/AFP

Nuns pray during an early morning Rorate mass in Frnaciscan church in Bratislava on Thursday. Rorate Mass which is traditionally celebrated in Advent, in honour of Holy Mary, in the dark of the morning before sunrise, by candlelight

Police patrols outside as Pope Francis celebrates mass in the Barthelemy Boganda Stadium, in Bangui, Central African Republic, Monday, Nov. 30, 2015. Pope Francis is in Africa for a six-day visit that is taking him to Kenya, Uganda and the Central African Republic.

Andrew Medichini/AP

Police patrols outside as Pope Francis celebrates mass in the Barthelemy Boganda Stadium, in Bangui, Central African Republic, Monday

Children gasp as they watch a Kenyan Police helicopter fly overhead, while awaiting for the arrival of Pope Francis at the St. Joseph The Worker Catholic Church in the Kangemi slum of Nairobi, Kenya Friday, Nov. 27, 2015. Pope Francis is in Kenya on his first-ever trip to Africa, a six-day pilgrimage that will also take him to Uganda and the Central African Republic.

Ben Curtis/AP

Children gasp as they watch a Kenyan Police helicopter fly overhead, while awaiting for the arrival of Pope Francis at the St. Joseph The Worker Catholic Church in the Kangemi slum of Nairobi, Kenya on Friday

A Catholic sister and a Maasai woman arrive just after dawn in the rain and mud to attend a Mass to be given by Pope Francis at the campus of the University of Nairobi in Kenya Thursday, Nov. 26, 2015. Pope Francis is in Kenya on his first-ever trip to Africa, a six-day pilgrimage that will also take him to Uganda and the Central African Republic.

Ben Curtis/AP

A Catholic sister and a Maasai woman arrive just after dawn in the rain and mud to attend a Mass to be given by Pope Francis at the campus of the University of Nairobi in Kenya Thursday

Pope Francis Pope presides over Chrism Mass in St. Peter's Basilica, at the Vatican Thursday, April 2, 2015. (AP Photo/Gregorio Borgia)

Gregorio Borgia/AP

Pope Francis presides over Chrism Mass in St. Peter’s Basilica, at the Vatican 

An Ultra Orthodox Jewish vendor prays near Rachel's Tomb during an annual mass prayer in Jerusalem, Tuesday, Nov. 4, 2014

Sebastian Scheiner/AP

An Ultra Orthodox Jewish vendor prays near Rachel’s Tomb during an annual mass in Jerusalem

A woman holds a picture of Pope Francis while waiting for his arrival for the Holy Mass at Daejeon World Cup stadium in Daejeon August 15, 2014. Pope Francis on Friday commemorated the more than 300 people killed in a ferry disaster in April, and called on South Koreans, among Asia's richest people, to beware of the spiritual "cancer" that often accompanies affluent societies.

Lee Jin-man/Reuters

A woman holds a picture of Pope Francis while waiting for holy mass at a stadium at Daejeon, South Korea, on Friday. The Pope commemorated more than 300 people killed in a ferry disaster in April.

People take part in a mass prayer for peace in downtown Kiev on June 19, 2014. Ukraine's new Western-backed president announced plans on JUne 18 to order a unilateral ceasefire in the separatist east that could help end a bloody pro-Russian insurgency and avert his ex-Soviet country's breakup.

Genya Savilov/AFP

People take part in a mass prayer for peace in downtown Kiev on Thursday

Pakistani Christian worshippers, some of them who survived Sunday's suicide bombing, pray during a special mass for the victims of the bombing, at the Church where the attack took place, in Peshawar, Pakistan, Monday, Sept. 23, 2013. Angry Pakistani Christians denounced the deadliest attack ever in this country against members of their faith. A pair of suicide bombers blew themselves up amid hundreds of worshippers outside a historic church in northwestern Pakistan.

Muhammed Muheisen/AP

Pakistani Christian worshippers, some of them who survived Sunday’s suicide bombing, pray during a special mass for the victims of the bombing, at the Church where the attack took place, in Peshawar, Pakistan on Monday. Angry Pakistani Christians denounced the deadliest attack ever in this country against members of their faith. A pair of suicide bombers blew themselves up amid hundreds of worshippers outside a historic church in northwestern Pakistan.

People pray in Pretoria's Petra church d...People pray in Pretoria's Petra church during a gospel mass on July 7, 2013. Former South African president Nelson Mandela lays in critical condition in Pretoria's Medi Clinic Heart hospital where emotional crowds gathered outside, as relatives and clan elders made preparations for the revered former South African leader's final journey. Singing supporters amassed outside the Pretoria hospital where the 94-year-old anti-apartheid hero was fighting for his life. AFP PHOTO / Filippo MONTEFORTEFILIPPO MONTEFORTE/AFP/Getty Images

Filippo Monteforte/AFP

People pray in Pretoria’s Petra church during a gospel mass on Sunday. Nelson Mandela, former South African president, remains in a critical condition in Pretoria’s Medi Clinic Heart hospital where emotional crowds continue to gather, as relatives and clan elders make preparations for the revered former leader’s final journey