轮滑场：曲线边界与平滑铺面

Show an outdoor roller skating rink in a community park. Render an oval of seamless power-floated concrete polished to a fine smooth finish, its surface reading almost like a still pool, with a subtle painted lane guide following the perimeter. Detail the boundary as a continuous low curved wall about 40 centimetres high in smooth concrete, its top rounded and comfortable to sit on, with a slim tubular steel handrail mounted above it on the inside for beginners to hold. Show two entry gaps with a short ramped transition. Include a shaded bench area outside the wall where skaters change, with a rack of hire skates and lockers under a light canopy. Detail the surroundings with mature trees, a path and lighting on slim poles with downward fittings. Show early evening with the lights on, the polished surface reflecting them as soft streaks, and half a dozen skaters circulating with visible motion. Photorealistic, smooth, reflective, warm lights against blue dusk, elevated three-quarter view.