The rest of the earth entered a glacial age.

In the forest around village is stone field (protected by Czech law), a remnnant of the glacial age.

The area around the town is a mosaic of various types of landscape, mostly formed during the glacial age.

At last report in a glacial age.

"I fail to see a connection between his mining operations and his plot to send Europe back to the glacial age."

Deep Pond is a kettle-hole lake formed during the last glacial age.

This is about the fourth glacial age in the past several million years.

The area was formed during the last glacial age and is covered with low hills and more than 900 post-glacial lakes.

It has members from a number of scientific disciplines who study the environmental changes that occurred during the glacial ages, the last 2.6 million years.

There hasn't been such activity here since the last glacial age!