This dark moment, he writes, with the help of young people “can truly be an opportunity for a reform of epoch-making significance, opening us to a new Pentecost and inaugurating a new stage of purification and change capable of renewing the Church’s youth.

“Young people who are seeking or questioning their future can find Mary to be the one who helps them discern God’s plan for them and find the strength to follow it.”

We look at the Synod’s final document and talk about what still needs to be done to have young people lead in the Catholic Church.

"As long as there are new generations able to say, 'Here I am' to God, the world will have a future."

As thousands of pilgrims streamed through the neighborhood of Las Acacias en route to the World Day Youth vigil, those from Nicaragua and Venezuela received special cheers and applause as they carried the flags of their respective countries.

Lisbon, Portugal, will open its doors to the world's young people in 2022 for the next World Youth Day.