Please generate an illustration of drone delivery. The application should include an AI intelligent path planning background that helps plan the correct flight paths for the drones. The scene should be set above a realistic, sci-fi style city with a blue sky. There should be three quadcopter drones flying in the air, carrying packages ready for delivery to customers. The drones will pass through a smart city, primarily conveying technology, innovation, and AI intelligent path planning. No text i

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