During a period of "interglacial optimum" weather, the Sahara became lush and green, allowing easy migration along its southern border.

These hill ranges serve as important wildlife corridors, allowing seasonal migration of endangered Asian elephants.

Certificates allowing migration were distributed by the Jewish Agency.

Some P25 networks also allow intelligent migration from the analog radios to digital radios operating within the same network.

This includes removal of all human-made physical boundaries, such as fences, allowing free migration of animals and humans within the area.

Data persistence: ensured by accessor objects called Models, they allow easy creation, migration and access to records.

The government allowed more internal migration by Nepalese seeking better education and business opportunities.

The gap also allows migration of plants and animals across the Sierra Crest.

This add/remove feature allows migration to larger devices or migration from potentially failing hardware without a system shutdown.

Thirty-three wildlife crossing railway bridges were constructed specifically to allow continued animal migration.