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GGang Chen
Last edited Oct 10, 2021
Created on Oct 10, 2021

This example displays a world map using a natural Earth projection, with countries filled in light green and a blue sphere outline. It loads geographic data from the World Atlas TopoJSON collection and converts it to GeoJSON features using `topojson.feature`. The map is rendered as SVG paths generated by `d3.geoPath` with the `geoNaturalEarth1` projection, while the outer sphere boundary is drawn separately. The visualization demonstrates a minimal, static cartographic rendering with D3 v5.

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