Views of the official opening of the 4,000 Years of Mexican Architecture Exhibition that was given to the University of Toronto's Architectural Society as a gift from the Mexican Consulate. The exhibit featured around 400 photographs of Mexican architecture and was originally prepared by the National Architects College of Mexico and the Society for Mexican Architects. Included are shots of the opening ceremony where Senor Rafael de la Colina, Ambassador of Mexico opened the exhibition with Dr. Thomas Howarth, Director of the School of Architecture, Murray Ross, President of the Architectural Society, and Antonio Carrillo Flores, Mexican Statesman as well as shots of attendees including third-year student Helga Woitech.