Extreme wide cinematic pull-back view into subterranean depths: at the very top edge of the frame the illuminated 2.5-mile Mponeng shaft network appears as merely a tiny glowing golden scratch in the crust, below it the frame opens into a colossal dark unexplored subterranean abyss with massive deep rock fracture chasms glowing with deep geothermal energy stretching into infinite unknown depths, hand-drawn 2D explainer cartoon illustration, thick clean black outlines, simplified readable forms, flat cel-style colors, soft minimal shading, clean educational YouTube illustration, clear focal hierarchy, no photorealism, no 3D rendering, no typography, no text, no watermarks
