On January 26, 2001, Sendai Mediatheque opened in Sendai, Japan. Designed by Toyo Ito after a 1995 public competition, the building combined library, gallery, film, studio, and public-event functions inside a transparent structural system of plates, tubes, and skin. Its public galleries and flexible media spaces made it more than a library: it became an architectural argument for cultural institutions shaped by information flows, public use, and changing media rather than fixed museum typologies. The opening quickly became a landmark in contemporary museum and cultural architecture, especially because Ito treated structure, circulation, light, and infrastructure as a single spatial language.
It became one of Toyo Ito's defining works and a model for flexible media-oriented cultural buildings.