Travelling on foot and by canoe, mapmaker Garrett Carr follows the border between the UK and Ireland.
In search of the landscapes and people who make up this fragile borderland, he finds fresh uncertainty in the wake of the Brexit vote.
Read by John Paul Connolly
Abridged in five parts by Anna Magnusson
Producer: Eilidh McCreadie
First broadcast on BBC Radio 4 in March 2017. Show less