<p>Tens of thousands of commuters have begun riding on the Sydney Metro’s city section as the first new train line running underneath the city centre in more than four decades opened to the public on Monday morning. Guardian Australia took a quick trip from Central Station to Sydenham to try out the new line</p> <a href="https://www.theguardian.com/australia-news/video/2024/aug/19/timelapse-ride-the-new-sydney-metro-from-central-to-sydenham-in-under-90-seconds-video">Continue reading...</a>