5am we grab our packed lunch breakfast and climb aboard. Today is the day when it's all about the driving but apparently it will be worth it.... We are heading to Nata in Botswana and 'Elephant Sands'. We sleep, play spot the giraffe and view the changing landscapes and economies as we cross the border at 'Martins Drift'. A reliably easy border crossing which pleases Sidney and we start on the longest straightest road ever........... We stop for lunch in Francis...