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This is a free illustration of the inside of an air duct, often used in fiction as a stealthy route for spies infiltrating secure facilities. With its narrow space, metallic walls, and dim lighting, the scene evokes tension and secrecy, making it ideal for suspenseful storytelling. Air ducts are commonly portrayed in action games, comics, and movies where covert entry is crucial. Use this image in stealth game assets, escape-themed blog posts, or spy-themed overlays. It’s great for illustrators, content creators, and fans of tactical adventure.

