A trip inside the dream factory where they made 'How to Train Your Dragon 2' (photo gallery)

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It took five years for DreamWorks Animation to create How to Train Your Dragon 2, the summer blockbuster movie with box office revenues that have surpassed $300 million.

It also took 495 artists, 90 million rendering hours, 398 terabytes of storage, 700 million digital files, and a lot of visionary dreams in the minds of artists, animators, and storytellers.

We took a tour of the campus in Redwood City, Calif., where the company made the movie.

Check out our photo gallery from the wonder factory at DreamWorks Animation.