An example is an earlier moment the characters find themselves confronting a Baryonyx in a bunker, while streams of lava begin falling from the roof. The lava would ultimately be crafted as a digital effect, but during filming, they needed a way to generate a stream of light that would interact with the set and the actors. Any kind of practical lights or LED panels in place of the streams of lava would be too intrusive. The solution? Setting cat litter on fire.
"We had this crack in the ceiling filled with cat litter that had been soaked in some sort of flammable liquid," describes Vickery. "There were 12 different nozzles that could drop this cat litter at different points, and that gave us these huge beautiful streams of liquid fire that dropped down from the ceiling. It also gave us this wonderful interactive lighting and a really interesting billowing smoky atmosphere."
Meanwhile, the dinosaur star of Fallen Kingdom is the new genetically-engineered Indoraptor, more menacing than any creature previously seen in the film franchise. One of the challenges of the dynamic Indoraptor moments was how to shoot scenes where a CGI dinosaur would later need to be inserted. On some occasions, Neal Scanlan’s team provided partial dinosaur animatronic elements, such as a claw or a head for the actors to act against. And then sometimes it involved an inflatable Indoraptor.
"That was Neal's idea," says Vickery. "He had two puppeteers hold an inflatable dinosaur and puppeteer that." One person puppeteered the tail, while another was operating the head. They stood roughly the right distance apart from each other in order to fit an 'invisible volume' that would be the CG Indoraptor. "It still sounds silly, but this gave us great eyeline reference," adds Vickery. We’d then insert our CG dinosaur afterwards."