Prompt: Illustrate a hand-drawn 3D sketch featuring a network analysis visualization forming the hidden structure beneath an iceberg. Capture the simplicity of a clear and blank surface above, emphasizing the intricate relationships in a sketched, cinematic manner. The side-shot perspective should evoke a sense of hand-crafted intrigue. Create a hand-sketched scene portraying a network analysis integrated into the concealed base of an iceberg. Utilize the charm of hand-drawn lines to symbolize the transparent surface above, leaving room for the viewer's imagination. Infuse cinematic elements in a sketched style to convey the realism and hidden complexity of the submerged network. Craft a visually engaging hand-drawn sketch of a 3D scene, showcasing a network analysis structure as the hidden foundation of an iceberg. Emphasize the simplicity of the clear surface above through hand-drawn details, while using cinematic strokes to bring out the unseen connections. The side view should exude the charm of a hand-drawn illustration.