Slideshow feature: this week marks the completion of the gigantic red ArcelorMittal Orbit sculpture at the London 2012 Olympic park. The tower is the last of the permanent structures to be completed for this summer's games, so here's a roundup of them all including sports venues by the likes of Zaha Hadid and Populous.
- Zaha Hadid at IMM Cologne
- 3=2+1 house by Francesco Moncada
- Isolée by Tjep.
- Tellus Nursery School by Tham & Videgår…d Arkitekter
- Heliotrope Raising by Bang Architectes
- Tongzhou Central Business District by U…NStudio
- Mascara House by mA-style architects
- Michael Graves' Portland Building faces …threat of demolition
- Oasis Exhibition Centre by Marques&Jordy
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