The fall of the lake level since 1941 created a land bridge to the island.

I think there's a land bridge to America in this era.

The current distribution seems to be due to past land bridges.

At times there existed a land bridge to the island.

It is connected to the beach by a man made land bridge.

Other land bridges around the world have emerged and disappeared in the same way.

More than 1,000 land bridges were built during this period.

There are islands with land bridges and bodies of water to them.

All but one of the Triceratops walk across the land bridge to the island.

The Triceratops walk across the land bridge to the island.

Thus, for the first time, a land route directly to Boktor was possible.

That's not to say land routes shouldn't be explored too.

"That's why there's no direct land route between the two," she said.

"I don't want the space- ship; there must be some land route."

The land route to the west was blocked since early March.

All land routes were restricted to the seasons where travel was feasible.

There were many more different land routes only taken by few people.

There's but a single land route in and out, the one we were just on.

Now the land route promised to be more direct and safe.

There were too many cities and wild communities jealous of their air space on the land route.