Kalandula is a horseshoe of water 105 metres high and nearly 400 metres wide on the Lucala river in northern Angola, one of the largest falls in Africa by volume. It does not come over as one sheet. Plants have broken up the lip, so the river arrives at the edge already divided and goes down as hundreds of separate white cords over red rock. Just upstream it gives nothing away. The Lucala spreads wide and shallow there over bare slabs threaded with roots, moving so quietly that you would not guess what comes next. Standing on that flat stone a short walk from the edge, with the drop out of sight and only the noise to give it away, is the strangest few minutes here.
From the grassy terrace across the gorge the crest stands end to end. Late in the day the sun swings behind the viewpoints and lights the spray from behind, so the rainbow stands inside the mist rather than above it, and moves as you walk the rim. A steep, muddy, unsigned path drops through the trees to the boulders at the foot. From down there the scale arrives in your chest rather than your eyes, and the wind the falling water pushes down the gorge reaches you before the spray does. The year rewrites the falls. At the end of the rains, with the plateau still draining, the cords fuse into one unbroken wall the full width of the horseshoe and the spray stands far above the rim. By late in the dry season the curtain has thinned to ribbons and the stepped red rock beneath comes out into the open. The road in from Malanje passes the Pedras Negras of Pungo Andongo, black rock towers standing out of the savanna where the last queen of Ndongo held out against the Portuguese. None of this was a viewpoint first. Elders still hold rites at the water, asking for health and prosperity, and in their telling the roar carries the voices of the dead and the mist that never clears is their presence.