Also in the kitchen, Seng's Hide + Show cabinet sits next to an old locker Valder found in an abandoned power station shortly after the Wall fell. "A lot of the big industry in East Berlin crashed, and there was a time when you could illegally sneak into these buildings and take out furniture or tools," he says. "It was like they left within a second. Sometimes you stepped into offices where you had the feeling that someone just went out for dinner and never came back. It was kind of spooky."