The ‘City Respiration Skyscraper’ designed by Czech architects Pavlína Doležalová and Jan Smékal is a helicoidal 240 meter-high structure designed to clean the air of the most polluted cities worldwide. Its primary structure is a concrete ribbon covered by air-cleaning algae. The outer cellular structure is a three-dimensional cluster of individual concrete three-spike units inspired by sea sponges.
This helicoidal structure acts as a chimney where warm and polluted air is captured at the bottom and filtered and oxygenated by the algae and a specialized water-sprayed system. A network of these skyscrapers strategically placed in the most polluted areas could clean a city in a couple of weeks.
To commemorate the 2013 Skyscraper Competition, eVolo published a collector’s edition of its highly acclaimed book “eVolo Skyscrapers”. The book is a two-volume, 1300-page set with the best 300 projects received during the last years. Only 150 copies are available worldwide.
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