A young man weaves palm fronds into the shape of a cross before the start of a Mass to observe Palm Sunday, at the Metropolitan Cathedral, in Managua, Nicaragua, Sunday, March 29, 2015. For Christians, Palm Sunday marks the start of Holy Week ahead of Easter, commemorating Jesus Christ's entrance into Jerusalem, when his followers laid palm branches in his path. (Photo by Esteban Felix/AP Photo)

Penitents take part in a procession during Palm Sunday few days prior to Holy Week, in Pamplona northern Spain, Sunday, March 29, 2015. Spain's devoted Catholics take part in a lot of religious ceremonies during Holy Week. (Photo by Alvaro Barrientos/AP Photo)

A church volunteer carries an armful of palm fronds to be given to parishioners as they arrive to attend a Palm Sunday celebration at the Metropolitan Cathedral, in Managua, Nicaragua, Sunday, March 29, 2015. (Photo by Esteban Felix/AP Photo)

Christian worshipers gather at the Church of the Holy Sepulchre, traditionally believed by many to be the site of the crucifixion and burial of Jesus Christ, during Palm Sunday in Jerusalem's Old City, Sunday, March 29, 2015. Palm Sunday marks for Christians Jesus Christ's entrance into Jerusalem when his followers laid palm branches in his path, prior to his crucifixion. (Photo by Oded Balilty/AP Photo)

Indian Christians hold palm leaves at a mass to mark Palm Sunday in Bhubaneswar, India, Sunday, March 29, 2015. Christians comprise 2 percent of India's more than 1.2 billion people. (Photo by Biswaranjan Rout/AP Photo)

An Indian Christian devotee makes a cross with palm leaves after she arrived for the Palm Sunday mass at a Church in Mumbai, India, Sunday, March 29, 2015. (Photo by Rafiq Maqbool/AP Photo)

Nigerian children make crosses from palms during Palm Sunday service at the Our Lady of the Apostles catholic church in Kaduna, Nigeria Sunday, March 29, 2015. Nigerians are going to the polls to vote in presidential elections. Nigerian officials say voting continued in some areas on Sunday because of technical problems. More than 40 people were killed in election-related violence Saturday, though millions were able to cast ballots in a presidential election that analysts say is too close to call. (Photo by Jerome Delay/AP Photo)

A resident crafts palm fronds to be blessed for Palm Sunday rites among Roman Catholics at suburban Paranaque city, south of Manila, Philippines Saturday, March 28, 2015. Devotees troop to churches all over the country to have their palm fronds blessed by a priest to mark the weeklong observance of Holy Week. In the Catholic world, Palm Sunday marks the triumphant entry of Jesus Christ into Jerusalem. (Photo by Bullit Marquez/AP Photo)

Assyrian Christian clergymen lead the traditional Palm Sunday procession as they walk in the street around their church in east of Beirut, Lebanon, Sunday, March 29, 2015. Streams of Christians gathered Sunday to celebrate the path of Jesus Christ's last journey into Jerusalem, when his followers laid palm branches in his path, before his crucifixion. (Photo by Hussein Malla/AP Photo)

A Mayan vendor balances on her head a container filled with decorative palm fronds as she waits for parishioners attending the traditional Palm Sunday Mass, outside the San Francisco Catholic Church, in Antigua, Guatemala, Sunday, March 29, 2015. The fronds symbolize how worshippers greeted Jesus Christ over 2,000 years ago as he triumphantly returned to Jerusalem, marking the start of Holy Week ahead of Easter. (Photo by Moises Castillo/AP Photo)

A boy crafts palm fronds to be blessed for Palm Sunday rites among Roman Catholics at suburban Paranaque city, south of Manila, Philippines Saturday, March 28, 2015. (Photo by Bullit Marquez/AP Photo)

A boy holding up palm fronds shaped into a cross, is illuminated by a skylight, during a Palm Sunday celebration inside the Metropolitan Cathedral in Managua, Nicaragua, Sunday, March 29, 2015. (Photo by Esteban Felix/AP Photo)

Christian nuns hold palm fronds during the traditional Palm Sunday procession on the Mount of Olives overlooking Jerusalem's old city, Sunday, March 29, 2015. (Photo by Oded Balilty/AP Photo)

Devotes take part in a procession during Palm Sunday, a few days prior to Holy Week, in Pamplona northern Spain, Sunday, March 29, 2015. (Photo by Alvaro Barrientos/AP Photo)

An Indian Christian devotee picks palm leaves for the Palm Sunday mass at a Church in Mumbai, India, Sunday, March 29, 2015. (Photo by Rafiq Maqbool/AP Photo)

Children take part in a procession during Palm Sunday a few days prior to Holy Week, in Pamplona northern Spain, Sunday, March 29, 2015. (Photo by Alvaro Barrientos/AP Photo)

A resident crafts palm fronds to be blessed for Palm Sunday rites among Roman Catholics at suburban Paranaque city, south of Manila, Philippines Saturday, March 28, 2015. (Photo by Bullit Marquez/AP Photo)

A Mayan woman carries a bouquet of palm fronds as she leaves the San Francisco Catholic Church after attending the traditional Palm Sunday Mass, marking the start of Holy Week ahead of Easter, in Antigua, Guatemala, Sunday, March 29, 2015. The fronds symbolize how worshippers greeted Jesus Christ over 2,000 years ago as he triumphantly returned to Jerusalem. Many parishioners take the fronds homes after they have been blessed with “holy water”, as a form of protection against storms and other calamities. (Photo by Moises Castillo/AP Photo)

Filipino children sing during Palm Sunday rites outside the Holy Family Parish church in suburban Quezon city, north of Manila, Philippines on Sunday, March 29, 2015. Palm Sunday marks the triumphant entry of Jesus Christ into Jerusalem and ushers in the Holy Week observance among Catholics worldwide. (Photo by Aaron Favila/AP Photo)

Christian youth hold palm fronds during the traditional Palm Sunday procession on the Mount of Olives overlooking Jerusalem's old city, Sunday, March 29, 2015. (Photo by Oded Balilty/AP Photo)

Two young girls play with their palm as they take part in a procession during Palm Sunday, a few days prior to Holy Week, in Pamplona northern Spain, Sunday, March 29, 2015. (Photo by Alvaro Barrientos/AP Photo)

Faithful hold palm tree branches as they attend a Palm Sunday Mass celebrated by Pope Francis, in St. Peter's Square, at the Vatican, Sunday, March 29, 2015. (Photo by Andrew Medichini/AP Photo)

A resident crafts palm fronds to be blessed for Palm Sunday rites among Roman Catholics at suburban Paranaque city, south of Manila, Philippines Saturday, March, 28 2015. (Photo by Bullit Marquez/AP Photo)

A Nigerian girl, poses for a photograph on Palm Sunday, outside St Theresa's Catholic Church, in Yola, Nigeria. Sunday, March 29, 2015. (Photo by Sunday Alamba/AP Photo)

A Mayan woman holds bouquets of palm fronds as she leaves the San Francisco Catholic Church after attending the traditional Palm Sunday Mass, marking the start of Holy Week ahead of Easter, in Antigua, Guatemala, Sunday, March 29, 2015. (Photo by Moises Castillo/AP Photo)