Did you know? The façade of the Arab World Institute moves with the sun!

The facades of Parisian monuments are mysterious... In the 5th arrondissement of Paris, one of them moves according to the position of the sun, following the principle of Arab geometry!

In Paris, it's easy to look up from every street corner and admire sumptuous facades, whether unusual or representative of an artistic movement. But some of them also have technical features you wouldn't expect at first glance, such as the façade of theInstitut du Monde Arabe, located in the 5th arrondissement of Paris. Clad entirely in glass and steel, the monument adapts and evolves throughout the day, depending on the position of the sun in the sky!

This astonishing ability can be seen on the south facade, which is based on Arab geometry and traditional architecture. In hot climates, these moucharabiehs, of which there are 240 in the museum, are openwork partitions providing natural ventilation. Here, they are equipped with diaphragms that open and close hourly, depending on the amount of light outside, with almost 18 movements per day!

A lively facade, built on the banks of the Seine, which houses a section of Arab culture and civilization, accessible to the public since 1987. Inaugurated by President François Mitterrand, the Institut du Monde Arabe was designed to strengthen diplomatic relations between France and Arab countries.

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