{"version":"1.0","type":"rich","title":"World countries tree","description":"The World countries tree visualizes the hierarchical structure of countries grouped by continent and subregion. It uses a D3 tree layout with horizontal links, rendering text labels for each node at varying font sizes based on depth. The visualization supports pan and zoom interactions via D3's zoom behavior, with the data loaded from a JSON file representing the United Nations geoscheme. SVG paths and text elements are used to draw the tree, styled with teal links and white text shadows.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/6fd89f8377644fd1bd8af7cdf5573b68?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}