![The office building corridors, with their original tiled walls. - Picture of Michal Colliery, Ostrava - Tripadvisor The office building corridors, with their original tiled walls. - Picture of Michal Colliery, Ostrava - Tripadvisor](https://media-cdn.tripadvisor.com/media/photo-s/06/85/32/33/michal-colliery.jpg)
The office building corridors, with their original tiled walls. - Picture of Michal Colliery, Ostrava - Tripadvisor
![The office building corridors, with their original tiled walls. - Picture of Michal Colliery, Ostrava - Tripadvisor The office building corridors, with their original tiled walls. - Picture of Michal Colliery, Ostrava - Tripadvisor](https://media-cdn.tripadvisor.com/media/photo-s/06/85/32/3d/michal-colliery.jpg)
The office building corridors, with their original tiled walls. - Picture of Michal Colliery, Ostrava - Tripadvisor
![Ostrava (Ostrau), Michal Mine (Dul Michal) in Moravskoslezsky, Moravian-Silesian Region, Mährisch-Schlesische Region, Czech Stock Photo - Alamy Ostrava (Ostrau), Michal Mine (Dul Michal) in Moravskoslezsky, Moravian-Silesian Region, Mährisch-Schlesische Region, Czech Stock Photo - Alamy](https://c8.alamy.com/comp/2HF7RB4/ostrava-ostrau-michal-mine-dul-michal-in-moravskoslezsky-moravian-silesian-region-mhrisch-schlesische-region-czech-2HF7RB4.jpg)
Ostrava (Ostrau), Michal Mine (Dul Michal) in Moravskoslezsky, Moravian-Silesian Region, Mährisch-Schlesische Region, Czech Stock Photo - Alamy
![The office building corridors, with their original tiled walls. - Picture of Michal Colliery, Ostrava - Tripadvisor The office building corridors, with their original tiled walls. - Picture of Michal Colliery, Ostrava - Tripadvisor](https://media-cdn.tripadvisor.com/media/photo-s/06/85/32/4d/michal-colliery.jpg)