Wonderfully produced. I particularly liked the zooming in on the passengers and train driver, as if real lives were at stake. A bit like an action movie, very dramatical!
Another cool detail was when the train made that emergency stop, you could see little sparks between the wheels and the rails. I always appreciate those small details.
Then, when the workers removed the stone, they seemingly did not feel threatened by that (for them) ginormous beast. They just did their job while the giant kitty was washing its butt.