{
let svg = viz.create({ projection: d3.geoNaturalEarth1() });
svg.outline();
svg.graticule({ stroke: "white" });
svg.path({ datum: world, fill: "white", fillOpacity: 0.3 });
for (let i = 100; i <= svg.width - 100; i = i + 50) {
svg.north({ pos: [i, 100] });
}
return svg.render();
}