Architectural model in colour, Competition entry 005, City Hall and Square Competition, Toronto, 1958, by M. J. Barnes of Australia. Large layered bowl with colonnade and low round entrance structure.
Barnes, M. J.
Toronto Public Library's Digital Archive: http://www.torontopubliclibrary.ca/detail.jsp?Entt=RDMDC-CITYHALL-A-R6-14&R=DC-CITYHALL-A-R6-14
Nathan Philips Square (Toronto, Ont.)
Downtown (Toronto, Ont.)