The maps below show how the territory may have arisen during the Last Glacial Maximum, around 21 thousand years ago, when sea levels were about 125 meters (410 feet) below the present. These maps don’t contain any lakes of this period. The coloring of maps is based only on altitude. These maps have lines running in various directions over the landscape that arise as ranges or trenches.
Sundaland / Sunda Shelf (Southeastern Asia)
Sahul Shelf (Australia)
Siberia at the height of the last ice age
– Sundaland: Coastlines of the Ice Age