{"version":"1.0","type":"rich","title":"Worl Countries Tree","description":"This visualization shows the hierarchical structure of world countries organized by continent and subregion, rendered as a horizontal tree layout. It uses D3 v5’s `tree` layout and `linkHorizontal` to draw curved links between parent and child nodes, with country names positioned along the branches. The interactive zooming is enabled via `d3.zoom`, and the text size decreases with each depth level, reflecting the hierarchy of the data loaded from a JSON file.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/3a3b7f6e127f4ed094d1be08eb5a98c7?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}