I don't think most people realize just how much of ancient civilization is now under water. The oceans rose 120 meters since 10,000 years ago.
I've always dreamed of making a tool to help visualize this. It would likely be very dramatic.
Current global warming prediction that I could find was 10m by 2300 if the ice shelves melt.
Kids in Germany learn about the evolution of the Baltic Sea, it is hard to believe how different the whole area was like during and after the last ice age: https://www.geomar.de/en/discover/the-origin-of-the-baltic-s...