north and south sides. The walls of the atrium are transparent, resulting in numerous incidents where birds flew into the walls. New York Times office unit The Times owned the 2nd to 27th stories but leased out the top six stories of that space before the building's opening. Within the Times section of the building, the structural floor slabs are below the finished office floors. The girders at the building's core, as well as utilities and mechanical systems, are placed beneath the raised floors. Air is delivered from under the raised floors. Air enters most of the office spaces through diffusers near each workstation, and perforated floor tiles are used in the Times conference rooms. The Times offices can also use outdoor air for ventilation, and the air is generally ventilated through the ceiling. The perimeter of each Times story has a ceiling high, but most of the office space has a ceiling high. The ceiling is divided into a grid of tiles measuring , aligned with the vertical mullions of the facade. The Times generally arranges its offices in an open plan. The 2nd through 4th stories contain the Times newsroom, which extends into the podium and overlooks the garden. The podium also accommodated the Times web-based staff. Stairs with red banisters connect the newsroom's stories, while a skylight illuminates the workspaces. Throughout the building, the Times offices mainly contain cherry wood furniture. The desks of the Times offices had gypsum-board accents, which themselves are colored in a scarlet red tone, nicknamed "Renzo Red". Copy writers' desks are smaller and have laminate desks without partitions. Two red staircases, one on each side of the building, connect the Times offices. There is also a double-height cafeteria in the Times section of the building. To encourage interactions between staffers, the offices were generally not assigned to specific workers, and various furniture was scattered throughout; even the staircases are designed as wide-open spaces. The Times space is decorated with about 560 black-and-white prints from the paper's archive. The conference rooms are named after notable figures, supplement by images from the Times archive. There are about 750 distinct photographs, which illustrate not only the conference rooms but also spaces such as mechanical rooms, electrical closets, and restrooms. The elevator lobbies on each story have different pieces of contemporary furniture, as well as a set of ten video screens that display images from that