Ancient technology? How could Iron and Bronze Age cultures cut through solid granite using chicken bones and copper chisels?

There was 2 concurrent civilizations going on for a while after 9600bc. One was described as ‘human but not quite human’. They assist humanity by getting to back on its feet after a catastrophe. 

They go by many names, the lords of anu, the tuatha de danaan or followers of the goddess anu, the watchers, the lookers, the shining ones, the follower of Horus, and what most people know them as the annunaki. 

Just know that history is a lie