On a September morning, Bishop Stephen Cottrell said mass in his chapel, kissed his wife goodbye, stepped out of his front door and walked two miles to the nearest station. It was the start of a 700 kilometre pilgrimage to Santiago de Compostela. Choosing the least travelled route across northern Spain, he craved the solitude of the road and felt the small vulnerabilities of not knowing what each day would bring - where meals or a bed would be found...