城市高楼街道车流商业照片

Drone top-down view of city boulevard, single row of slim cylindrical pylons spaced evenly along center line, each pylon splits into Y-fork holding two parallel monorail tracks, one track carries train heading north, opposite parallel track carries train heading south simultaneously, road below remains fully open with normal vehicle traffic, pencil-thin pillar shadows, orthographic aerial perspective, clean midday light, infrastructure minimalism, negative space of wide road contrasting with elegant overhead dual-track system --ar 16:9 --v 6.1 --style raw