This example displays a world map using a Natural Earth projection, with country boundaries, graticules, and a sphere outline rendered as SVG paths. It loads country and land topology from the World Atlas Topojson dataset via `d3.json` and converts it using `topojson.feature` and `topojson.mesh`. The map is drawn with `d3.geoPath` and `d3.geoNaturalEarth1`, while React manages the component structure and data loading through the `useData` hook.