The custom dates back to the 7th century. Palms are seen as a symbol of life and triumph, while olive branches are normally associated with peace.

Pope Francis said Mass in front of an estimated 25,000 people in St. Peter's Square at the Vatican.

Orthodox Christians will celebrate Palm Sunday on the 28th of April.

This year, Easter falls on one of the earliest possible dates, with Easter Sunday on the 31st of March, while next year will be one of the latest Easter celebrations, on the 20th of April.

Foto: Reuters
Foto: Reuters