The Bering Land Bridge has been submerged since the Late Glacial Maximum –
see https://www.livescience.com/archaeology/the-bering-land-bridge-has-been-submerged-since the-last-ice-age-will-scientists-ever-study-it … the missive here is that humans must have left an imprint on the Bering land bridge if this was the point where they crossed from Asia into North America. This occurred at some point in the Late Glacial Maximum as evidence of humans in the Americas seems to go back to that period – after the collapse of the Clovis First narrative. The land bridge, it is now proposed, was just 52 miles across, 85 km, and is now 165 feet deep. A long way down. It is also very cold – above the sea, and in the sea. Not exactly prime diving territory.
It is supposed, one gets the impression, that lower sea levels in the Late Glacial Maximum, were enough to thrust the land bridge above the salty brine. This, it is said, is a result of so much ice locked up in the polar regions. The land bridge, we are told, enabled mammoths and rhinoceros, and horses etc., to move in both directions, into and out of North America. Where was the ice? Indeed, some people think eastern Siberia and Alaska were largely ice free. We know that mammoth required lots of vegetation to live – sadly lacking in the tundra zone. The same is true of rhinoceros and horses, various deer and elk, and musk oxen etc. One might even say the climate was quite different back then – in order for such animals to thrive. As they did. Hence, the hunt for evidence of human occupation would open a new view of the Late Glacial Maximum. Evidence of the passage of animals and humans would be paradigm changing. Pity it can’t be done.