An international team of researchers, including a glaciologist at Newcastle University, UK, has discovered remarkably well-preserved glacial landforms buried almost 1 km beneath the North Sea.

Beaches close beachA coastal landform which usually contains sand ... has been transported from elsewhere and deposited by the sea. A cross-section of a beach is called a beach profile.

And attrition where rocks carried by the sea are knocked together and broken down into smaller and smoother pieces. These type of erosion create landforms ... crash against a cliff, they force ...