Imagine a giant playground with lots of HUGE dinosaur footprints! Scientists found them in a special rock place.
These super-big prints are super old, from 166 million years ago — that's way before even your great-great-grandparents!
The prints were made by long-necked dinosaurs and some meat-eating ones, walking around a muddy lagoon.
It's like a time machine showing us how these amazing dinosaurs walked and lived a very, very long time ago!
