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Montreal, 1967. This shot was taken using 35mm Kodachrome with the camera resting on a railing. In the distance, the U.S. pavilion is the Buckminster Fuller dome on the left while the U.S.S.R. pavilion is the brightly-lit dipping roof building on the right. Today, the U.S. pavilion still stands as an indoor arboretum. View full size.
The former U.S. pavilion is actually a museum of the environment, called the Biosphere, owned and run by the federal government. The acrylic skin of the geodesic dome (a three-quarter sphere, 200 feet high), caught fire in a welding accident in 1976 and burned off in half an hour, leaving the steel truss structure intact. It remained empty for almost 20 years.

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