Original sentence: The CMN is reponsible for the upkeep of around 85 monuments, ranging from the prehistoric megaliths at Carnac, medieval fortifications such as the towers at La Rochelle, and Renaissance châteaux such as Azay-le-Rideau, to Le Corbusier's Villa Savoye
Edited sentence: The CMN is responsible for the upkeep of around 85 monuments, ranging from the prehistoric megaliths at Carnac, medieval fortifications such as the towers at La Rochelle, and Renaissance châteaux such as Azay-le-Rideau, to Le Corbusier's Villa Savoye