行走的机械城市

**Fixed Character Description:** Giant mechanical mobile city "Mid Crossing", appearance blends towering sci-fi architecture, massive steel mechanical legs, and glowing domes.

**Filming Location:** Desolate alien planet's desert canyons and plains.

**Shot Size:** Wide shot to full shot.

**Camera Movement:** Low-angle upward shot, camera slowly pans and pushes forward as the giant city strides forward, showcasing its grand and awe-inspiring massive scale.

**Visual Content Prompts:** An extremely grand and colossal giant mechanical mobile city is slowly advancing on a desolate purple wasteland on thick, heavy multi-legged mechanical legs, each step kicking up clouds of dust. The top of the city is dotted with bustling futuristic buildings, domes, and green belts; the bottom is covered with massive jet thrusters, complex pipelines, and glowing energy cores. A giant moon or planet covered with craters hangs in the sky, with rugged canyon terrain and sparsely flying shuttles in the background.

**Dialogue:** Mechanical synthetic voice broadcast: "All city systems are nominal, for Mid Crossing. Copy that command, the fleet is adjusting course. Maintain current speed heading toward the ridge."

**Character Introduction:** No specific characters appear; the core role is the giant mobile mechanical city and its internal automated AI control system.

**Scene Prop Description:** Giant mechanical walking legs, glowing energy cores, jet thrusters, dome building complexes, hovering shuttles, purple desert and giant distant satellite.

**Negative Prompts:** Low quality, blurry, deformed, shaking, overexposed, noise, static image, no details.