On this episode, Aubrey and Gyude are joined by Charles Overby, the Chief Engineer for Norwegian Public Roads Administration. Charles has spent his career seeking more durable and economical technologies for road preservations and rehabilitations. He's worked in various parts of Africa for decades, particularly Botswana, helping to grow road infrastructure .

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Podden och tillhörande omslagsbild på den här sidan tillhör Aubrey Hruby and Gyude Moore. Innehållet i podden är skapat av Aubrey Hruby and Gyude Moore och inte av, eller tillsammans med, Poddtoppen.