No, its a background that you get when you beat GLaDOS and the game. You can search for maps in the console by typing "Maps *". The background is a map called background2.bsp. The camera is in a fixed horizontal pan over the desk going from right to left. I hope that helps.
What is funny about this is that it is so goddamned true.
And by the way, macs are more expensive than an avereage pc for less performance. Its also sad that the diehard mac fans spin themselves into a fit when someone attacks their system, when every single mac advert attack PCs with comercials that dont go beyond "HURRRR PCs ARE UNTRENDY AND TEH SUXORS".
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