Taken in the hallway of Eisenhower Hall. I came in expecting the lights to turn on, as the hallway lights will go dark after a (fairly long) while of no one being in the hallway, and then turn on when a motion detector senses your presence. Turns out the hall lights on that floor weren't working so I took advantage of the opportunity to walk to that end of the hall, stand there, and take photos of the vending machines and their reflections. The lights were working again when I was ready to leave.