城市动能雕塑网格生成

A 2x2 grid of 4 random famous cities turned into looping kinetic sculptures on museum plinths [Top Left: random real European city as a vertical kinetic skyline with moving trams and tiny lights] [Top Right: random real Asian megacity as a multi-layered kinetic light grid with sliding blocks] [Bottom Left: random real coastal city with rolling wave mechanisms and rotating landmarks] [Bottom Right: random real desert or inland city with lifting arms and spinning towers] Photoreal miniature kinetic sculptures made of brass, glass, and polished wood, subtle motion implied by blurred rods and tracks, illuminated display plinths in a gallery setting, soft museum lighting, gentle reflections on the floor, 60mm perspective for elegant compression, shallow depth of field isolating each sculpture, warm white seamless backdrop, crisp focus on intricate mechanics.