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Last edited 13 Sep 2017
The bullet-shaped tower was designed to give the impression of land emerging out of the ground. Nouvel said of his design: "Unlike slender spires and bell towers that typically pierce the horizons of horizontal cities, this tower is a fluid mass that bursts through the ground like a geyser under permanent, calculated pressure."
The tower is made up of two concentric concrete oval cylinders topped by a dome of glass and steel. It is covered with a façade of aluminium and glass in the form of 60,000 coloured strips. The inclinations and opacities of the glass provide the tower with numerous alterations of colour and tone.
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