In pictures: Good Friday

1 of 10 Christians around the world have been commemorating the crucifixion of Jesus Christ on Good Friday.

2 of 10 Christianity is the world's largest religion, with about two billion followers worldwide.

3 of 10 Good Friday - marked later in the year by Orthodox Christians - is a day of mourning.

4 of 10 Jesus was tried for heresy, condemned and put to death.

5 of 10 The mood turns to celebration on Easter Sunday, when followers mark what they believe was Jesus' resurrection.

6 of 10 In many countries there are special processions, or re-enactments of the crucifixion.

7 of 10 In some more extreme celebrations, followers in the Philippines volunteer to be nailed to a cross.

8 of 10 The practice is not endorsed by the Catholic Church.

9 of 10 A Filipino policeman hits colleagues with a wooden stick during a flagellation ritual in San Fernando, north of Manila.

10 of 10 Members of the small Christian minority sing hymns in a church in Banda Aceh, in Indonesia's Aceh province.