France still speaking the same language

picture one : http://images.placesonline.com/photos/26429_paris_hotel_national_des_invalides.jpg
picture two: https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjIG6kk9p2XnTShbzdyoWVJh9Jh9y3Td-ZGxAG4DxuFJUX6Q85SRrgnMTKcaeDeO-8Bq9hDptbnoTwd3_QOHFn6Mpyr_eWKqWqZwI64H2GQSe9EnFE6su1tl_TvURtYX8gQzsPWxkgu1I0/s400/800px-GD-FR-Paris-Les_Invalides.jpg
 Picture three: www.paristheguide.com/luoghi/img/Hotel des Invalides_1.jpg