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Zoo builds above-ground trails that allow animals to roam more freely

Name: Zoo builds above-ground trails that allow animals to roam more freely
Uploaded: 2014-08-09T08:22:00-0400
Duration: 4 min 39 s
Description: The Philadelphia Zoo is leading the way in zoo revolution, installing mesh-enclosed walkways that allow animals to travel the grounds like never before. Anne-Marie Green reports.

The Philadelphia Zoo is leading the way in zoo revolution, installing mesh-enclosed walkways that allow animals to travel the grounds like never before. Anne-Marie Green reports.