More than 300 firefighters worked through the night to put out a massive blaze at the world-famous Universal Studios in America.
Helicopters were used to drop water onto the flames to bring the fire in Los Angeles, California, under control. Three people were hurt, and a film set from the movie Back to the Future, and things from King Kong, were destroyed.
A film library was also lost, but studio bosses say they have copies of everything that was in it.
The head of the studios, Ron Meyer, said about 40,000 to 50,000 videos and reels had been damaged in the blaze on Sunday.
Mr Meyers thanked the firefighters for putting it out.
The film studios are really famous
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"They are real heroes, I mean they were here in record time," he said.
It's thought the fire broke out on a sound stage, but investigations are being carried out to find out why it started.
Universal Studios have been home to loads of blockbuster films, including Pirates of the Caribbean, Spiderman 2 and children's classics Jurassic Park and ET.
Behind-the-scenes
As well as being a working studio, the Universal lot is also home to a theme park and offers behind-the-scenes tours of the studios which are a big tourist attraction.