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Points on a Map
A world map displays cities as semi-transparent teal circles, with circle size encoding population via a square-root scale. The map uses a Natural Earth projection with land masses, graticules, and country interiors rendered via `geoPath` and `geoGraticule` from D3. The React app loads TopoJSON from World Atlas and CSV city data, then projects coordinates through `geoNaturalEarth1` to position the SVG circles.
AI-generated descriptionA world map showing country boundaries from World Atlas TopoJSON, polished for visual style, including graticules.