A video shared on YouTube has resurfaced showing why you must never turn your back on a big cat.
Posted by Big Cat Rescue, the video starts with a park employee putting a Go-Pro camera on his head facing backward.
RELATED: Tiger saves keeper from leopard attack
What happens next is shocking, as he walks through different big cat enclosures, showing the incredible behavior of these animals when they think they’re not being watched.
Let’s just say if there wasn’t a fence then this guy would be lunch!
Check it out for yourself: