{"version":"1.0","type":"rich","title":"test","description":"This visualization presents the top 5 U.S. cities by population in 2023, with each city represented as a white circle that fades in sequentially within a vertically centered panel. The circles are positioned using D3.js transitions, and users can hover over them to trigger a color change from white to a gold-brown, providing interactive feedback. The data is sourced from Wikipedia's list of United States cities by population, and the visualization is rendered as an animated SVG.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/15aff53dd69745e388aaa3b222861bc5?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}