{"version":"1.0","type":"rich","title":"World Countries Tree","description":"This visualization presents the hierarchical structure of world countries organized by continent and subregion, displayed as a horizontal tree layout. The hierarchical data is loaded from a JSON file and rendered as an SVG using D3 v5’s `tree` layout, `hierarchy`, and `linkHorizontal` path generator. Node labels are positioned according to their depth, with font size decreasing at deeper levels, and the entire graphic supports pan and zoom via D3’s `zoom` behavior.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/a395ca625d87483dae1e282c340c7952?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}