{"version":"1.0","type":"rich","title":"World Countries Trees","description":"This visualization presents the hierarchical structure of world countries, organized by continent and region, as an interactive tree diagram. The layout uses a horizontal tree with curved links, and text labels sized by depth. The visualization supports pan and zoom via `d3.zoom`. The data is loaded from a JSON file and rendered with `d3.hierarchy` and `d3.tree`, using `d3.linkHorizontal` for the connecting paths.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/c68e5b475837484e8ab15ac81d450ec8?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}