Esk nodded. She wasn't native to Ankh-Morpork, so she didn't have the same pride in the smell that some of the city's inhabitants did. She would rather smell fresh goat dung than Ankh-Morpork, most of the time.
"Oh, well.. Not everyone. Probably most of the people here in this cafe grew up here. At least, I think." It seemed like most of the students in Professor Mulder's class didn't have any idea what the vortex was. "But the people that you talk to on the boards.. A lot of people are from different worlds. There are a lot of different worlds."