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ETH Zurich from Polyterrace. The Zentrum campus of the ETH in Zurich southwest facade seen from the Polyterrace ETH Hauptgebude von Gottfried Semper SdwestFassade von der Polyterrasse aus The Zentrum campus of the ETH Zrich Zrich Hauptgebude der ETH ETH Zurich Suisse Btiment principal de l'cole Le btiment principal de l'EPFZ ETH