Create a single 16:9 ultra-realistic cinematic sci-fi key art still on a vast desert horizon. A gigantic industrial factory moves across the cracked wasteland on massive mechanical legs like a living city, throwing dust into the air and blocking part of the sun. In the foreground, an adult female rebel rides a fast hoverbike toward the machine at high speed, wearing rugged scrap armor assembled from metal debris. Defense drones launch from the walking factory and arc through the dusty sky around her. Capture the peak action moment as she leaps from the bike toward one drone and prepares to land on the moving factory, with strong motion energy, dust trails, harsh sunlight, metal scale, desert heat shimmer, cinematic chase composition, and dramatic backlit silhouette. Convert the short-video sequence into one still image only. Keep the scene intense but non-gory. Avoid blood, visible injury, gore, body dismemberment, real military insignia, real logos, copied franchise designs, readable text, subtitles, UI overlays, speedometer/HUD graphics, QR codes, URLs, source-site marks, and watermark inside the artwork.