This is going to be my third report of this series, dedicated to rover circumnavigations. What? You've been looking, and there is no second installment? That's true, because my second rover circumnavigation - of Wal - is still halfway. It's going very slowly, because it turns out Wal is a lot uglier than I anticipated. Meanwhile, I got an idea and I wanted to at least start it. The idea was to run a circumnavigation of Polta, another OPM moon of Urlum. Back when I landed there in the A'Tuin