A geological cross-section slice of the earth showing a serene grassy plain above and rock layers below.. A graphic measurement indicator drops vertically from the surface line down through the soil and rock layers to mark a depth of 30 meters.. Composition and framing: medium shot, eye-level straight-on cutaway view view, featuring Split-level profile view: top third displays the peaceful surface plain; bottom two-thirds showcase the subterranean cross-section centered around the vertical measurement graphic.. Scientific visual elements: Karst limestone strata cross-section, exact 30m depth callout, regional locator map inset near the Black Sea.. Setting: presented on a clean, minimalist off-white editorial background. Color palette: Grass green, atmosphere sky blue, earthy limestone beige, dark charcoal rock, with crisp white technical annotations.., 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
