Overhead walkways: this appears to be the latest trend in big cat exhibit designs in the United States. Am I correct in thinking the place where this started is Big Cat Falls at Philadelphia Zoo?
Actually puma exhibit at Albuquerque predates that. And then there are the overhead leopard and jaguar cages at Wildlife World, but those are not really walkways.
As does leopard exhibit in Kansas City.
Philadelphia began theirs with the Cat House renovation years ago. The Trails followed more recently.
Of course San Diego has theirs now. And Jacksonville