Can’t deny that... However!... Lol... If they can find random skeletons, weapons, pottery, etc, their version of industrial diamonds infused in rope or some other fabric/leather to cut stone with precision, or laser beam products, there is not too many other elements that cut cut and polish granite so nicely... Just saying,.
can cut**
https://freerepublic.com/focus/f-chat/4237973/posts
Modern h-Sapien skeletal remains that are at least 40,000 years old.
Ten times older than the oldest studied “great” civilizations and dating back into the last half of the last ice age and more than 19,000 years before the end of the last ice age.