This example displays an interactive world map, rendering country boundaries as SVG paths using d3.geoPath and a d3.geoNaturalEarth1 projection. The map is built from TopoJSON data loaded via d3.json and the topojson.feature API, with country names attached as SVG title elements. The visualization supports panning and zooming through d3.zoom, which applies a transform to the map group, and highlights individual countries by changing their fill color on hover using CSS.