In the winter of 1987, a soil scientist walked the Longji ridge with a handheld altimeter, counting 3,742 terraces across a single watershed. Each one had been cut by hand — Zhuang farmers who worked without topographic maps, following only the mountain's own contour.
The Curve That Holds Water
The shape of each terrace wall is never arbitrary. Its curve distributes water evenly so that no corner floods and no corner dries. After the autumn harvest, when the paddies are flooded for winter, the mountain becomes a shattered mirror — each surface holding a different piece of dusk.
They did not build for their grandchildren. They built for the water — and the water, in turn, fed them.