This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
NarrowGaugeRailway Ostbahn TunnelsNo MostnaDrini. en The twin tunnels at the Bridge on the Drina River where two lines branched off one to the left through the tunnel No towards Vardite the other to the right through the tunnel No towards Uvac Old postcard Simon Kattan Sarajevo heading SSE Bosnian Eastern railway Postcards