Otto died two weeks before he was to be awarded the Pritzker Prize, architecture’s most significant award
Architect frei otto hi-res stock photography and images - Alamy
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The Zentralstadion in Leipzig in 1974. 120,000 capacity it was
Frei Otto: a life in projects
The Zentralstadion in Leipzig in 1974. 120,000 capacity it was used
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Frei Otto – pioneer and founder of lightweight membrane roofs