This example shows a world map rendered as an SVG, with countries filled in green and oceans in blue using a Natural Earth projection. The visualization uses `d3.geoNaturalEarth1` to define the projection and `d3.geoPath` to generate the geographic paths. Country outlines are drawn from TopoJSON data loaded from the world-atlas package, converted to GeoJSON via `feature`. A background sphere path is also added to represent the globe. The code relies on D3 v6 and TopoJSON v3 for mapping and data processing.