In "Call Of Duty: Zombies", which map features the "Fly Trap" easter egg?

The map "Der Riese" features the Fly Trap Easter Egg in Call of Duty Zombies. This Easter Egg involves players interacting with various elements throughout the map, such as activating teleporters and interacting with specific objects, in order to trigger a hidden sequence. Ultimately, the goal is to lure zombies into a trap that resembles a giant fly trap, hence its name. Successfully completing this Easter Egg provides players with additional rewards and adds an extra layer of challenge and excitement to the gameplay in Der Riese.