A world map displays country boundaries as filled landmasses against a light sphere, with graticules and interior borders drawn in contrasting strokes. The visualization is built with React and D3 v5, using `geoNaturalEarth1`, `geoPath`, and `geoGraticule` to project and render the SVG paths. Country and land geometry comes from the World Atlas TopoJSON dataset, processed via `topojson.feature` and `topojson.mesh`. A muted teal and gray palette gives the map a polished, stylized appearance.