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Der Großprojekt-Planer Hans Sommer zu Besuch in Böblingen: In die Zukunft mit dem digitalen Zwilling
Wie konnte sich Stuttgart 21 dermaßen verteuern? Wie baut man so, dass man im Kostenrahmen bleibt? Warum sind montags die Firmenparkplätze leer? Das weiß Hans Sommer, Professor und Firmengründer.

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