The Bering land bridge was a treeless, grassy tundra over 1000 miles wide.

But the hunters who crossed the Bering land bridge to North America were around then.

It probably crossed to North America through the Bering land bridge 200,000 years ago.

They crossed to North America over the Bering land bridge.

The only way they could reach the New World was by the Bering land bridge.

The Seward Peninsula was once part of the Bering land bridge.

This is the result of several faunal interchanges that took place across the Bering land bridge.

Their descendants moved east over the Bering land bridge about 22,000 years ago.

The Americas were colonised via the Bering land bridge which was exposed during this period by lower sea levels.

These animals would have migrated to North America via the Bering land bridge.

The Bering land bridge was a treeless, grassy tundra over 1000 miles wide.

But the hunters who crossed the Bering land bridge to North America were around then.

It probably crossed to North America through the Bering land bridge 200,000 years ago.

They crossed to North America over the Bering land bridge.

The only way they could reach the New World was by the Bering land bridge.

The Seward Peninsula was once part of the Bering land bridge.

This is the result of several faunal interchanges that took place across the Bering land bridge.

Their descendants moved east over the Bering land bridge about 22,000 years ago.

The Americas were colonised via the Bering land bridge which was exposed during this period by lower sea levels.

These animals would have migrated to North America via the Bering land bridge.