During the last ice age when the sea level was lower, much of the continental shelf was exposed. For example, the North Sea was previously a low-lying region which is called "Doggerland".
There are multiple finds of bone fish-spears, flint axes and so on. Some are found by dredging, some by divers. These provide evidence that the region was inhabited by Mesolithic peoples. source1 source2 source3
Is there archaeological evidence that the Bo Hai Bay and the Yellow Sea region were inhabited at the end of the ice age? Have there been any archaeological finds from the seabed?