An Amur tiger walks across the new passageway at the Philadelphia Zoo.
AP
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The see-through mesh pathway, called “Big Cat Crossing,” is part of a national trend to enrich the experience of both creatures and guests.
AP
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People watch as an Amur tiger traverses the new passageway at the Philadelphia Zoo.
AP
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Amur tigers walk across a passageway after a new conference at the Philadelphia Zoo, Wednesday, May 7, 2014, in Philadelphia. The see-through mesh pathway called Big Cat Crossing is part…
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An Amur tiger walks across a passageway after a news conference at the Philadelphia Zoo, Wednesday, May 7, 2014, in Philadelphia. The see-through mesh pathway called Big Cat Crossing is…
AP
