{"version":"1.0","type":"rich","provider_name":"Acast","provider_url":"https://acast.com","height":250,"width":700,"html":"<iframe src=\"https://embed.acast.com/$/5e9316281ff1a856719a4316/64cff74b1749600011c05faf?\" frameBorder=\"0\" width=\"700\" height=\"250\"></iframe>","title":"The Growling Bombers","description":"<p>The arrival in Britain of the B-29s in 1948.</p>","author_name":"Julie McDowall"}