https://www.vice.com/en_us/article/4a3bn3/scientists-discover-lost-ancient-landscape-hidden-under-antarctic-ice

Scientists have detected an ancient river landscape that dates back millions of years and is now buried under more than a mile of ice in Antarctica, reports a new study. 

The discovery offers a rare glimpse of a long-lost Antarctic world shaped by rivers and plants, while also helping scientists predict how this critical continent might respond to human-driven climate change in the future.