Agreed, up to one point: I'd argue that looking at it as a triple city cluster is too much of a simplification - these centers are simply not large enough to re

Agreed, up to one point: I'd argue that looking at it as a triple city cluster is too much of a simplification - these centers are simply not large enough to render the others insignificant. I.e. the Berne, Lugano, St. Gallen and Lucerne urban und cultural areas aren't totally insignificant compared to Zurich, Geneva/Lausanne or Basel. Switzerland is simply too multifaceted to reduce it like that.