For decades news channels have shown us the cost of environmental degradation and economic inequality. Death in Africa is seen as integral to the natural order as the movement of the tides. Yet this is different. This is disaster on the scale of an apocalypse. Hosanna's camera is as unflinching as her eye.
People swim in and out of focus like wildebeest in a sandstorm.
Disease decimates the columns. Mothers hobble on ulcerated feet with dead babies tied to their backs. She watches as people around her, in their millions, drag themselves towards refugee camps that find room for new occupants only when the old die. Somewhere along the road, Hosanna's mother vanishes from the tapes. Then, one by one, her four brothers go.