Tom Holland and Iszi Lawrence follow history’s lines and linkages to uncover connections and compelling stories.

This week - Supply Lines With supply lines after Brexit so much in the news lately, Tom and Iszi look at historical aspects of getting goods across continents and through barriers, natural and man-made. From Hannibal and his elephants to the surprising origin of just-in-time delivery methods, the programme uncovers the historical origins of modern supply lines.

Presenters: Tom Holland and Iszi Lawrence Producer: Alison Vernon-Smith

A Pier production for BBC Radio 4