Subways
- Episode aired Dec 7, 2020
Initially ridiculed, underground railways are now a success around the world. The era of underground passenger transport began more than 150 years ago in London with steam locomotives. The s... Read allInitially ridiculed, underground railways are now a success around the world. The era of underground passenger transport began more than 150 years ago in London with steam locomotives. The smoke was even "sold" as a cure by the operators. The tunnel network was gradually expanded... Read allInitially ridiculed, underground railways are now a success around the world. The era of underground passenger transport began more than 150 years ago in London with steam locomotives. The smoke was even "sold" as a cure by the operators. The tunnel network was gradually expanded using the shield tunnelling method and electric trains replaced the steam locomotives. Gr... Read all