{"version":"1.0","type":"rich","title":"US Choropleths Map And Captital/Major Cities","description":"A US choropleth map displays all continental states colored with a white-to-pink linear scale, alongside two city overlays: state capitals as fixed black dots and major cities as population-sized circles. The visualization uses React with d3.geoAlbers projection, d3.geoPath, and d3.geoGraticule to render SVG shapes from US Atlas TopoJSON. City data comes from a world cities CSV and US state capitals JSON. d3.scaleSqrt maps city populations to circle radii.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/951cc1f8f09a4221949674b2fed39a23?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}