The French-Tunisian Calligraffiti artist El Seed takes a road trip through Tunisia. After painting his amazing art on the highest minaret in the country, at the Jara Mosque in Gabes, El Seed decides to go on a journey through Tunisia to meet the different people and tribes that make up the country's rich and diverse culture. On a Calligraffiti road trip, El Seed tells us the stories of anonymous people from various places around the country. Lost Walls talks about those walls and places that have witnessed the history, life and culture of a people for millennia.