高架桥下的行人穿越：柱列间的安全动线

Show a pedestrian route passing beneath an elevated urban expressway in Taiwan, where the crossing must negotiate a forest of columns. Render the massive concrete piers marching through the frame in a regular rhythm, their bases meeting a reorganised ground plane. Detail the pedestrian route as a clearly defined path in a contrasting warm paving colour weaving between the piers on the most direct line, with tactile guidance strips and a continuous low kerb separating it from the roadway. Show the residual pockets between piers treated deliberately — some planted with shade-tolerant species in raised beds, one holding a small basketball half-court, another a bike parking bay — rather than left as parking or waste ground. Detail the lighting as a continuous run of fittings mounted on the underside of the deck above, throwing even light down onto the whole space so nowhere is dark. Show the soffit overhead as fair-faced concrete with expansion joints and drainage pipes running along it. Include pedestrians and cyclists using the route. Photorealistic, cavernous but bright, grey with colour accents, eye-level view.