| Cross section of the Palais Garnier |  |
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| Le nouvel Opéra de Paris, Charles Garnier, published 1880 Credit: Office of the Chief Historic Monuments Architect in charge of the Palais Garnier |
| Cross section of the Palais Garnier | |
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| Le nouvel Opéra de Paris, Charles Garnier, published 1880 Credit: Office of the Chief Historic Monuments Architect in charge of the Palais Garnier |