Detailed and stylized cutaway illustration of an urban underground metro system beneath a bustling city square. The layout reveals multiple levels of subway platforms, escalators, and tunnels, with several trains in motion and numerous passengers navigating the space. Above ground, the cityscape features historic buildings, double- decker buses, and iconic advertisements, including a large 'Foster's' and 'Sanyo' billboard. The scene is vibrant and busy, capturing the dynamic energy of urban life. The illustration uses a combination of realistic and schematic elements to provide a comprehensive view of both the above- ground and subterranean environments