St Francis of Assisi was preaching concern for wildlife and nature as long ago as the 13th century. This year the World Wildlife Fund celebrates its 25th anniversary with a series of events in Assisi.
Fergus Keeling reports on the festival of music and dance and the colourful pilgrimages which end in a unique inter-faith ceremony for the five great religions of the world. BBCBristol
(Re-broadcast next Sunday)