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 TunnelNo NorthofStrmicanaLimu. en The southern portal of the tunnel No located in the gorge of the Lim River as seen in this downstream view towards Most na Drini Old postcard Albert Thier Sarajevo heading Bosnian Eastern railway Postcards of Bosnia and Herzegovina Rail tunnels in Bosnia and Herzegovina