Warner Brothers spent 10 years in Leavesden, U.K., filming eight Harry Potter films.
The studios are massive and reveal how the movies were made using the most incredible special effects in the film industry.
Over the course of filming, five warehouses full of props were used. There was an Animal Department, A Creatures Department, a Visual and Special Effects Department, and more, which made each detail of J.K. Rowling's magical wizarding world come to life.
We visited the studios last month and learned the secrets. Here's how the producers did it.
The floating candles in the great hall were originally hundreds of real candles suspended by wires, which were digitally removed. But while the first movie was being filmed, there was a problem. The heat from the flames burned through the wires and caused candles to drop onto the tables. Afterward, all the floating candles were created digitally.
During the epic feast in Harry Potter and the Goblet of Fire, tons of desserts covered the tables in the Great Hall. While most of it was made from painted resin, some of it was edible and the cast got to indulge.
In Harry's Gryffindor dorm room, props changed from movie to movie. Producers lined bedside tables and walls with things the characters would be interested in, like sports posters and pennants. But the beds were never upgraded. By the time the final movies were filmed, Daniel Radcliff and the other boys had to curl up in balls to keep from hanging over the edge of the bed during shoots.
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