This example displays an interactive world map using an equirectangular projection, with countries rendered as SVG paths and a light blue sphere representing the globe. The map loads GeoJSON data from a hosted JSON file, processed through TopoJSON’s `feature` method, and draws each country with a green fill and black stroke. Hovering over a country highlights it in a warm peach color. The visualization uses D3 v5 APIs including `d3.geoEquirectangular`, `d3.geoPath`, and `d3.select`, with React as the underlying framework.