This example demonstrates how to create a geographic map by loading world country boundaries and rendering them as SVG paths. It uses D3 v5’s `geoNaturalEarth1` projection and `geoPath` to draw the countries, while `topojson.feature` converts the TopoJSON data from the world-atlas dataset into GeoJSON. The visualization also includes a basic data-reporting sidebar that filters and formats mock car listings, showing how D3 modules can combine geographic mapping with DOM updates.