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
Seat of the European Parliament in Strasbourg communicates with the Winston Churchill and Salvador de Madariaga buildings. With its surface of 220,000m² and its distinctive 60m tower, it is one of the biggest and most visible buildings of Strasbourg. The Louise Weiss was designed by the Paris-based team of architects Architecture-Studio. The architects were inspired by Roman amphitheatres. After the project was approved at an international contest in 1991, work, commissioned by the Société d'Aménagement et d'Équipement de la Région de Strasbourg on behalf of the Urban Community of Strasbourg, started in May 1995, with up to twelve tower cranes at the time on what was one