You know how sometimes you start giggling about something at an incredibly inopportune moment, but you can't help it? I was in my Architecture of New York class (how cool is it that my school offers that as a class? Way cool.) and my professor showed us this photograph of the Wedgewood Pottery factory (Not in New York. Not the point.). He pointed to the river next to the factory and asked, "And what is this?" And everyone answered, "A river." He answered, "Yes, but it's also....?" There was a pause while we all tried to figure out what crucial component we were missing.