Let's make a map with D3.js!
This example renders a world map using the Natural Earth projection via D3.js. A light green SVG path for each country is drawn over a blue spherical backdrop, with black strokes at low opacity for boundaries. The code uses `d3.geoPath` with the `geoNaturalEarth1` projection, loads geographic data from the `world-atlas` 110m JSON dataset, and constructs country features using the `topojson` library. The visualization is entirely SVG-based.