Frei Otto, German Pavilion (credit: Montreal World Expo, 1967).

1967 world exhibition hi-res stock photography and images - Alamy

West German Pavilion, Expo '67, Montreal, by night

FREI OTTO, THE GERMAN PAVILION, EXPO 1967, The Strength of Architecture

German Pavilion, Expo '67 – Montreal, Canada

Expo 67 pavilions - Wikipedia

Modern Architecture at German Pavilion, Expo '67

Structural Revisit to German Pavillion, Expo '67, Montreal

West German Pavilion under construction, Ile Notre Dame, Expo '67, Montreal

German Pavilion, Expo '67, by Frei Otto, at Montreal, Canada, 1967

FREI OTTO, THE GERMAN PAVILION, EXPO 1967, The Strength of Architecture

Structural Revisit to German Pavillion, Expo '67, Montreal

Stanley Prowler: Expo '67, Île Notre-Dame

1967 world exhibition hi-res stock photography and images - Alamy

Frei Otto, German Pavilion (credit: Montreal World Expo, 1967).

497 Montreal 1967 Stock Photos, High-Res Pictures, and Images - Getty Images