Whenever our principal, Michael Klement, is out traveling on holiday he sends a little “Architectural Challenge” quiz to the AR team back at the mothership to test their knowledge and a small gift from the trip. This was the quiz from a recent trip to Montreal of the Galerie PVM atrium space of the RESO, Montreal’s underground city: What specific structural phenomenon did they have to particularly take into consideration when designing this structure, and why? OK. Let’s see how you all do!