Tales from Lemuria
They lived here many eons ago. It was pacific, prosperous and highly spiritual civilisation.
Lemurians were aware that their world will be destroyed in the Great Flood . Trying to survive some of them went to live underearth and others made the big vessels.
They also know that material things cannot resist the pass of time, so they left the message in the collective concious; the Great Flood occurs periodically , and will happen again.
That knowledge lay somewhere in our mind, but …can we remember the future