15 mars 2019
DE L'IRRESPIRABILITE DE CERTAINES CAVITES SOUTERRAINES ARTIFICIELLES
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DE L'IRRESPIRABILITE DE CERTAINES CAVITES SOUTERRAINES ARTIFICIELLES Concernant les catacombes / carrières souterraines, la Ville de Paris a entrepris depuis les années 80's, une politique de fermeture de la majorité des accès, après avoir tenté de fragmenter...
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