This example demonstrates how to load and parse CSV data using D3.js within a React framework. The page displays a heading, an embedded city SVG graphic, and a message area that reports the CSV file’s size, row count, and column count after fetching it from a GitHub gist. The code uses D3’s `d3.csv` method to retrieve and read the remote CSV, then `d3.csvFormat` to calculate its byte size, and finally updates a `<pre>` element with the parsed dataset’s statistics using vanilla JavaScript DOM manipulation.