POSTED RESPONSE TO A COLUMN IN RUSSIA TODAY
It is simply gorgeous.
There are too few examples in the world of really fine contemporary public-space architecture, modern architecture which works well with older buildings.
Jack Diamond was an excellent choice as architect. He did the opera house in Toronto, and there he established some of the design principles used in the Mariinsky, although on a much smaller scale, given a much smaller budget.
Diamond is not one of those "looks only" architects who design sculptures with little consideration for the use to which they are put.
The Mariinsky benefits from his approach and great experience.