Marne-la-Vallée References Quizzes Guess the City by Its River Quiz Marne-la-Vallée France Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: Île-de-France/ Geography…developed since the 1960s: Évry, Marne-la-Vallée, Sénart, Cergy-Pontoise, and Saint-Quentin-en-Yvelines. Read More…developed since the 1960s: Évry, Marne-la-Vallée, Sénart, Cergy-Pontoise, and Saint-Quentin-en-Yvelines. Read More