{"version":"1.0","type":"rich","provider_name":"Acast","provider_url":"https://acast.com","height":250,"width":700,"html":"<iframe src=\"https://embed.acast.com/$/e958fbb3-f10a-44f1-b08c-565e145f384e/614c421eb739990012d63e52?\" frameBorder=\"0\" width=\"700\" height=\"250\"></iframe>","title":"HS2, Working on the world's oldest railway buildings","thumbnail_width":200,"thumbnail_height":200,"thumbnail_url":"https://open-images.acast.com/shows/60ee3dd67b57990bc2e77e5c/1632387406551-4b1b9689264cc0b21c054ed56decbfa5.jpeg?height=200","description":"<p>HS2's Jon Millward talks to Sam about the world's oldest railway buildings and how they relate to Europe's largest infrastructure project.</p>","author_name":"We Are Railfans"}