The Allen Lambert Galleria
The Allen Lambert Galleria, sometimes described as the "crystal cathedral of commerce", was the result of an international competition and was incorporated into the development in order to satisfy the City of Toronto's public art requirements. Designed by Spanish architect Santiago Calatrava, it is one of the most photographed spaces in Toronto's financial district, and is heavily featured as a backdrop for news reports, as well as TV and film productions. As pictured, the interior illustrates Calatrava's signature organic style, with a vaulted ceiling that is intended to evoke an avenue of trees.
(Cribbed from Wikipedia)