I am at a loss to answer because I cannot understand the translation of your comment (my native language is Russian and I am not very good at English). 8)
If you mean that these are old concrete sleepers, then they were probably used here for launching boats into the water. Most likely they are not very old.
I am at a loss to answer because I cannot understand the translation of your comment (my native language is Russian and I am not very good at English). 8)
If you mean that these are old concrete sleepers, then they were probably used here for launching boats into the water. Most likely they are not very old.