Beyond ancient cut bedrock on the island of Malta in the Mediterranean. Was this part of a lost civilization? The cuts are so old, so weathered that it seems impossible that they aren't much much older than just a couple thousand years.
Bizzilla or lace making is an old tradition amongst the Maltese islands, moreso on the island of Gozo. Hand made lace making with bobbins is derived from Genoese lace and was mastered in both Malta and Gozo by the mid Century.