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 EastofLjucevo. en The western portal of the tunnel No meters in length located in the gorge of the Drina River east of Ljuevo at km of the Bosnian Eastern Railway as seen in this downstream view towards Meea Old postcard Studnika Co Sarajevo heading Bosnian Eastern railway Postcards of