{"version":"1.0","type":"rich","title":"World Countries Tree","description":"This visualization displays the hierarchical structure of world countries organized by continent and subregion. The tree layout positions each country as a leaf node, with continent and region names at higher levels. The code uses D3 v5’s `tree` layout and `linkHorizontal` path generator to draw the branching connections in SVG, with text labels sized by depth. Interactive zooming is enabled through the `zoom` event, allowing users to pan and scale the nested data hierarchy loaded from a JSON file.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/5134e70970554cafaf27b8fad31f05d5?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}