In ancient Korea, ingenious underfloor heating is invented. A king in dire financial straits institutes a controversial tax on fireplaces. Young boys are sent up treacherous chimneys in Victorian England. And the Great Smog envelops London, with deadly consequences… A Noiser production, written by Roger Morris. For ad-free listening, exclusive content and early access to new episodes, join Noiser+. Click the Noiser+ banner to get started with a 7-day free trial. Or, if you’re on Spotify or Android, go to noiser.com/subscriptions To get an exclusive NordVPN deal, head to https://nordvpn.com/curioushistory to get an extra 4 months on the 2-year plan. There’s no risk with Nord’s 30-day money-back guarantee. Learn more about your ad choices. Visit podcastchoices.com/adchoices