{"version":"1.0","type":"rich","title":"World Countries Tree","description":"This interactive visualization displays the hierarchical structure of world countries, organized by continent and subregion using a horizontal tree layout. Users can pan and zoom through the SVG-based diagram, which renders country names as text nodes connected by white paths. Built with D3 v5, the example uses the `tree`, `hierarchy`, `linkHorizontal`, and `zoom` APIs to compute the layout and handle navigation. Data is loaded from a JSON file containing a nested structure of geographic regions and countries, with styling applied via custom CSS.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/0c697d8e4a72416ba460771617a7ce56?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}