Christians around the world celebrate Palm Sunday

Pope Francis celebrates Palm Sunday Mass in St. Peter's Square at the Vatican. The Roman Catholic Church enters Holy Week, retracing the story of the crucifixion of Jesus and his resurrection three days later on Easter Sunday.

Cardinals take part at the procession as Pope Francis leads the Palm Sunday mass in St. Peter square.

Nuns wait in the middle of palm's branches in St. Peter square.

Christian devotees take part in the Palm Sunday procession in Pondicherry.

Christian devotees attend the Palm Sunday service at St. Anthony church in Lahore.

Worshippers carry palm branches as they circle the aedicule during the Palm Sunday procession at the Church of the Holy Sepulchre in Jerusalem.

Christian devotees prepare to take part in Palm Sunday procession outside Saint Anthony's church on the outskirts of Hyderabad.

An Indian Catholic priest blesses palm leaves during a Palm Sunday procession at Our Lady of Lourdes Church in Hyderabad, India.

Catholic devotees wave their palm fronds as a church layman blesses palms during Palm Sunday celebrations at the Our Lady of Lourdes Grotto church in San Jose del Monte town, Bulacan, Philippines.

Catholic devotees raise their palm fronds after the Palm Sunday mass at the Minor Basilica and Metropolitan Cathedral of the Immaculate Conception in Manila, Philippines.

Christian devotees attend the Palm Sunday service inside the premises of a church in Ranchi.

Iraqi Christians gather at Saint Joseph's church in Arbil.