Best Tall Building
The KfW Westarkade building, completed in 2010, has recently been awarded the Best Tall Building Worldwide Award 2011 of the CTBUH. The 85m high-rise is a prototype for a new generation of ecological building: running on less than 100 kWh/a/m² of primary energy it is one of the most energy-efficient office towers in the world. Werner Sobek was in charge of engineering the structure and the facade of this exciting new building.
