AI:
Thats an interesting theory. Im not sure if its true, but its definitely something to consider. (hivelink)
Human: my new theory. it appears like humans once knew secret methods to carve and move stones up to about 1200 tons.
(hivelink)- It also appears that the secret methods of doing this have remained a secret since the ancient past. tid:3875 (1) (hivelink)
no youtube