Your work is quite impressive to say the least. I wish I had access to that kind of stone here in the states. Here only the rich people can afford to have such a work of art. There is a piece of you in every wall you construct. I had to use field stone as it was free from a farmer that was clearing his field. I had to cheat though and use concrete behind the stones. All the neighbors were making fun of me at the time I was building it but guess what. When their great, great, great, great grandchildren are dead and gone that wall will still be there. How many people can say they built something that will stand the test of time.