Grooves in a sandstone bridge abutment made by the rope used to tow a canal barge. In the days of horse drawn barges the fence would not have been there.
Observations from the saddle of a bike: Canal cycling France: Mulhouse to Dannemarie
Observations from the saddle of a bike: Canal cycling France: Mulhouse to Dannemarie
Grooves in a sandstone bridge abutment made by the rope used to tow a canal barge. In the days of horse drawn barges the fence would not have been there.
Fred and Bev's Odyssey 
