ONE TO WATCH
All about the journey
Pilgrimage / BBC Two, starts Friday 7 April
The Chapel of the Apparitions in Cova da Iria, part of the Sanctuary of Fátima, was built to mark the spot where, in 1917, three Portuguese shepherd children claimed to have seen apparitions of the Blessed Virgin Mary. Every year, the faithful, and sometimes just those in search of a challenge, trek to a site that has become one of the world's most popular Catholic pilgrimage destinations.
What can be learnt from such hikes? It's a question that lies at the heart of returning here for a fifth series, and which this time around sees seven celebrities of different faiths tackling the northern route of Portugal's Fátima Way – and doing so to a schedule, so as to arrive in time to attend a
