Their have been many more remains of civilizations which predate the great flood but are much to sophisticated and massive to have been built by the stone age barbarians that evolutionists assume existed back then.
Back in the real world, evolutionists accept the facts of archaeology and its dating methods and YECs reject them.
Their have been many more remains of civilizations which predate the great flood ...
BTW, don't creationists usually pretend that deposition of rock-forming sediments was a consequence of Noah's Flood? Any civilization that predated the flood would therefore have to be at the bottom of all the sedimentary rocks.