Seems that something like 7000 to 140 thousand years ago, mankind (Homo-Erectus, our ancestors) were hunting in low lying areas…

Then the Glaciers melted and now all we have is fossil evidence of them in the lowlying seabeds off of India…

Climate Change seems to have caused the seas to rise by several tens of meters. ..inundating the lowlands…

Musta been all those SUV’s that Homo Erectus were driving round, or the burning of coal in those power plants back then that led to the temp rise and the melting of the glaciers …..