#2 in the Norman Foster Series: Commerzbank Tower

The Norman Foster Series
1. The Swiss Re Tower
2. The Commerzbank Tower

• In 1994 construction started on this tower in Frankfurt, Germany, and ended in 1997
• It is the tallest skyscraper in the European Union, soon to be overtaken by the Shard Bridge skyscraper
• 56 stories
• 300 m. at the top of the antenna
• 1.3 million ft. of office space
• Houses the Commerzbank headquarters
• This is the first skyscraper to use "sky gardens": at intervals up the towers there are gardens that can be viewed from the offices:

In this image, the illuminated rectangles spaced down the buildings are the niches housing the sky gardens.

(The sky gardens also provide more natural light, reducing the amount of electricity used in the building)

• The tower looked at from above is a equilateral triangle, with sides 60 m. long and rounded corners
• It was the first tower in Germany to use steel as the main building material.

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