{"version":"1.0","type":"rich","title":"Fork of Fork of World Countries Tree","description":"This visualization presents a hierarchical tree of world countries, organized by continent and subregion. It uses a left-to-right tree layout with curved links and sized text labels, where font size decreases with depth. The rendering is built with D3 v5, using `d3.tree`, `d3.hierarchy`, `d3.linkHorizontal`, and `d3.zoom` for pan and zoom interactions. Data comes from a nested JSON file containing country groupings.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/275265351d76410b812af96cdb27f271?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}