Factory/Monitor room passage

The Turntable Monitor Room is a location featured in both Resident Evil Zero and Resident Evil 2.

Resident Evil Zero
Albert Wesker and William Birkin spend most of the game here, watching Rebecca Chambers and Billy Coen as they make their way through the Umbrella Research Center. Rebecca later visits the room briefly in order to retrieve the Up Key needed to activate the main turntable outside; however, upon taking the key two Hunters will attack her.

Interestingly, the monitors in the corner display an image of the T-001 being held in a containment tank in the Underground Laboratory's B4F Culture Room.

Resident Evil 2
Claire Redfield and Leon Kennedy visit the room several months later, again to retrieve the Up Key (initially referred to in-game as the Control Panel Key. After taking the key the T-00 will appear and smash the security camera before attacking the player.