{"version":"1.0","type":"rich","title":"World Countries Tree","description":"This interactive tree diagram maps the hierarchical organization of world countries, grouped by continent and subregion. The visualization uses a horizontal dendrogram layout, with countries nested under their respective regions. Built with D3.js (d3.v5), the example employs the `tree` and `hierarchy` methods to compute node positions and generates SVG paths via `linkHorizontal`. Text labels are styled with a serif font, and zooming is enabled through the `zoom` function, allowing users to explore the dataset from Afghanistan to Yemen.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/c7430673909946e89c63c41a48d9fe13?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}