Attachment 537500
Hint: It's not a rock structure you might find at the beach. Though, it could be.
https://www.youtube.com/watch?v=pmyIreIZItQ
Printable View
Attachment 537500
Hint: It's not a rock structure you might find at the beach. Though, it could be.
https://www.youtube.com/watch?v=pmyIreIZItQ
reminds of flint that you see in those rubble wall constructions in the UK.
Rubble is a good choice of word.
I hope the pebbles were picked up from a river rather than the beach. Using pebbles seems so wrong for concrete. Too smooth. I wonder if that's why it fell away.