Languages of the European Union which is understood by 51% of all adults, while German is the most widely used mother tongue, spoken by 18%. All 24 official languages of the EU are accepted as working languages, but in practice only two – English and French – are in wide general use and of these English is the more commonly used. French is an official language in all three of the cities that are political centres of the Union: Brussels (Belgium), Strasbourg (France) and Luxembourg City (Luxembourg). , the official languages of the European Union, as stipulated in the latest amendment of "Regulation No 1
Strasbourg stone) and "Pont d'Auvergne" (1892, iron), as well as architect Marc Mimram's futuristic "Passerelle" over the Rhine, opened in 2004. The largest square at the centre of the city of Strasbourg is the Place Kléber. Located in the heart of the city's commercial area, it was named after general Jean-Baptiste Kléber, born in Strasbourg in 1753 and assassinated in 1800 in Cairo. In the square is a statue of Kléber, under which is a vault containing his remains. On the north side of the square is the Aubette (Orderly Room), built by Jacques François Blondel, architect of the king, in