{"version":"1.0","type":"rich","title":"World Countries Tree","description":"This visualization displays a hierarchical tree of world countries, organized by continent and subregion, with each node labeled by name. The tree uses a left-to-right layout, with font size decreasing at deeper levels. Built with D3 v5, it applies the `tree` layout and `hierarchy` functions to the JSON data, rendering horizontal links via `linkHorizontal` and enabling pan and zoom through D3's `zoom` behavior.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/6ab4a09476bf4c57be0c226d5593c356?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}