Day 16: Blessed are the fish merchants for they shall be known as donors of stained glass. The 13th century French cathedral and pilgrimage. (Previous post: Day 15 Clères to Rouen.) Today is a rest day. It is raining in Rouen. We have walked from Dieppe along the Chasse Marée – the mediaeval overnight fish … More Rouen: we consider pilgrimage and cathedrals