A journey through the wikipedia entry for "La Pyramide Inversée"
The extract follows:
"La Pyramide Inversée was designed by architects Pei Cobb Freed & Partners, and installed as part of the Phase II government renovation of the Louvre Museum. It was completed in 1993. In 1995, it was a finalist in the Benedictus Awards, described by the jury as "a remarkable anti-structure … a symbolic use of technology … a piece of sculpture. It was meant as an object but it is an object to transmit light."
The Inverted Pyramid figures prominently on the concluding pages of Dan Brown's international bestseller The Da Vinci Code. The protagonist of his novel, Robert Langdon, reads esoteric symbolism into the two pyramids: The Inverted Pyramid is perceived as a Chalice, a feminine symbol, whereas the stone pyramid below is interpreted as a Blade, a masculine symbol: the whole structure could thus express the union of the genders. Moreover, Brown's protagonist concludes that the tiny stone pyramid is actually only the apex of a larger pyramid (possibly the same size as the inverted pyramid above), embedded in the floor as a secret chamber.
In Raphaël Aurillac's work Le guide du Paris maçonnique, the author declares that the Louvre used to be a Masonic temple. To Aurillac, the various glass pyramids constructed in recent decades include Masonic symbolism. Aurillac sees the downward-pointing pyramid as expressing the Rosicrucian motto V.I.T.R.I.O.L. (Visita Interiorem Terrae Rectificandoque / Invenies Occultum Lapidem, "Visit the interior of the earth and… you will find the secret stone"). Another writer on Masonic architecture, Dominique Setzepfandt, sees the two pyramids as suggesting "the compass and square that together form the Seal of Solomon" (quoted in Code Da Vinci: L'enquête by Marie-France Etchegoin and Frédéric Lenoir).
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