Category:Rail tunnels in Austria opened in the 1900s
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![](https://upload.wikimedia.org/wikipedia/commons/thumb/2/2e/Tunnel_only.svg/20px-Tunnel_only.svg.png)
![](https://upload.wikimedia.org/wikipedia/commons/thumb/4/41/Flag_of_Austria.svg/20px-Flag_of_Austria.svg.png)
Subcategories
This category has the following 2 subcategories, out of 2 total.
This category has the following 2 subcategories, out of 2 total.