{"version":"1.0","type":"rich","title":"Choropleth Map","description":"This choropleth map visualizes global COVID-19 cumulative case counts by country, with each nation shaded according to its reported total. The map uses a natural Earth projection and is rendered as SVG, with a zoom interaction allowing users to inspect regions in detail. Data comes from a CSV file joined with world country boundaries from the World Atlas TopoJSON, while colors are assigned via d3.scaleOrdinal with a spectral scheme. Hovering reveals the country name and case count through an SVG title element.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/87b8b0df4829430896ba75d44f367b1a?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}