huffingtonpost:

The action might be going on around the track, but the roof of this venue deserves some attention. Its surface is made from steel cables strung like a tennis racket, which allows for better ventilation and lighting, plus uses fewer construction materials. The roof also collects rainwater recycled throughout the building. 
10 Things You Didn’t Know About Olympic Venues

huffingtonpost:

The action might be going on around the track, but the roof of this venue deserves some attention. Its surface is made from steel cables strung like a tennis racket, which allows for better ventilation and lighting, plus uses fewer construction materials. The roof also collects rainwater recycled throughout the building. 

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