Last winter we reported on the Minnesota Orchestra's plans to remodel Orchestra Hall, in downtown Minneapolis (and more recently on a scheme to repurpose the building's iconic blue tubes). The $40-million revamp is well underway, mainly expanding the hall's cramped public areas, but fixing a lot of other issues as well, under the guidance of the Toronto-based architectural firm KPMB. (Check out the construction scene in time-lapse video here.) Construction is slated to wind up next summer.

KPMB has also provided a slick visualization of the completed project in virtual spacetime: