This example shows an interactive world map that loads geographic data and renders country boundaries, graticules, and an outline using an equirectangular projection. It fetches TopoJSON data from the `visionscarto-world-atlas` package and converts it to GeoJSON features with `topojson.feature`. The visualization uses React state management to handle data loading and rendering, while D3’s `geoPath`, `geoEquirectangular`, and `geoGraticule` APIs draw the map elements as SVG paths.