This visualization combines a choropleth map and a scatter plot to explore cat breed data. The map uses `d3.geoEqualEarth` and `d3.geoPath` to display the geographical distribution of breeds, with each country colored according to the number of breeds originating there. The adjacent scatter plot shows the relationship between a breed's maximum life expectancy and minimum weight, with point color assigned via a categorical scale and size derived from a custom function. Both SVG elements are rendered using d3.v6, and a tooltip appears on hover.