Built nearly a century ago, the Cape Town Grain Silo was the tallest African building in the southern hemisphere: a grading tower 57 m tall and a lower cylinder block of 6 ≈ 7 silos [Ø = 6 m, h = 27 m]. Seventy years later in the 1990s it retired, along with apartheid, not long after the V&A Waterfront...