"The heat Weyland's researchers noted results from preparations for the Predators' with each stage allotted its own room, for instance, "sacrificial chamber" (the structure is remarkably elaborate and mobile, with ceilings and walls shifting every 10 minutes, rather like the scary place in Cube [1997])."
January 1, 1970
https://en.wikiquote.org/wiki/Alien_vs._Predator_(film)