"We have over 40 trainers that are going to have to learn the narration for this, and many of them, they're not comfortable on mic. This is a big step for them," Park said. "But it's different to have a trainer talking. They don't come off superpolished, maybe, but they come off in the right way. They know these animals so well. They can share information we've never been able to share before because they know it."