This example shows a world map with countries rendered in light green, where clicking a country turns it red, and users can zoom and pan the view. It uses an equirectangular-like natural Earth projection via `d3.geoNaturalEarth1` and `d3.geoPath` to draw SVG paths from TopoJSON data loaded from the world-atlas package. Country names come from a TSV file, and a `d3.zoom` handler applies transforms to the map group. A spherical background and active-state styling complete the interactive visualization.