Wind Tower. Yokohama. Toyo Ito. 1986
Project type
The project was not a new construction, but transformation of an existing reinforced concrete tower, built in the '60s as a water reservoir for the air conditioning system in the mall beneath it.
The decision to "redesign" the structure marked the 30th anniversary of the opening of Yokohama's nearby Nishi-guchi station.
Toyo Ito's proposal was one of ten presented by architects and designers, chosen for its ability to transform this anonymous construction into a strong urban landmark, using light as its dominant feature.
No work was actually done on the structure itself, as this non-invasive renovation project involved covering the construction with a series of reflective plates and inserting it in an aluminium cylinder. The lights were inserted in the space between the aluminium panels and the tower's surface.
The effect is truly original, because the reflective part can be seen beyond the volume of the tower with its monolithic shape.The tower is particularly spectacular at night, when the lights and neon rings make the Wind Tower into an architecture of light.
The old tower no longer exists, as it was demolished in the late '90s, but it was a true urban icon not so much because of its 21 metre height but for the unusual effects created by light irradiated toward the city.
The lighting system was controlled by 2 computers which modified the intensity and direction of various light sources on the basis of natural light, weather conditions, wind speed and external noise.
Toyo Ito's intention was above all to keep the building's relationship with the city alive, even at night, so that the building would not "switch off" but continue to interact with its surroundings even in the absence of natural light.
This was a very innovative idea at that time, in line with the new way of viewing light not as a merely functional element but as an integral part of architecture and design, an expressive, characterising element with great potential.
Laura Della Badia
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