The town of Ostrava in Czech republic had rich coal deposits close to the surface. In the 19th century the area developed into a center of mining and steel production. After the fall of the Berlin Wall the mines and most of the steel works closed. However, the enormous coal mine, cooking and steel production plant in the southern suburb of Viscovice will be preserved as a technical monument to industrialisation.
The whole story is here:
https://hrs-ontherailsagain.blogspot.com/2024/05/on-my-way-to-anatolia-5.html
