Expo 67 pavilions Expo 67 pavilions The Expo 67 International and Universal Exposition featured 90 pavilions representing Man and His World, on a theme derived from , written by the famous French pilot Antoine de Saint-Exupéry. The exposition displayed many nations, corporations, industries, technologies, social themes, religions and designs, including the US pavilion, a geodesic dome designed by Buckminster Fuller. Expo 67 also featured Habitat 67, an urban modular housing complex designed by architect Moshe Safdie, whose units were purchased by private Montrealers after the fair was concluded, and is still occupied today. The most popular display of the exposition was the soaring
Meštrović Pavilion a thickness of 57 mm (2.24 in), allowing natural light to fill the exhibition halls. The Arts Hall opened on December 1, 1938 with "A Half Century of Croatian Art", a major retrospective exhibition. The pavilion functioned as an art gallery for only three years before it was turned into a mosque in 1941, at the beginning of World War II. Architect Zvonimir Požgaj headed the project for adapting the interior of the pavilion to better suit the functions of a mosque, and Stjepan Planić designed the exterior of the mosque. Požgaj significantly altered the interior of the pavilion, introducing