How do you construct a set out of thousands of gelatinous, translucent animals? “We spent a lot of time with Ralph’s (Eggelston) pastels, watched a lot of underwater footage taken in Palau in the South Pacific, and also went to visit the jellyfish exhibit at the Monterey Bay Aquarium to better understand what jellyfish look like and how they really move,” explains supervising technical director Oren Jacob. “In the end this is one of the most beautiful scenes in the movie, and one of the scariest, too.”