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Fork of Sized Points on a Map
A world map displays cities with populations over 50,000 as semi-transparent teal circles, sized using a square-root scale that maps population to radius. The map includes natural Earth landmasses with graticules and country interiors, styled in muted grays. The visualization is built with React, using d3's `geoNaturalEarth1` projection and `geoPath` for rendering, while city data comes from Simplemaps and country boundaries from the World Atlas TopoJSON.
AI-generated descriptionA world map showing cities with population greater than 50,000. City data from Simplemaps: World Cities Database.
Country boundaries from World Atlas TopoJSON, polished for visual style, including graticules.