and Cannstatter Hauptfriedhof, the largest graveyard in Stuttgart which has been used as a Muslim burial ground since 1985. The city boasts the second-largest mineral water deposits in Europe after Budapest, with over 250 springs within the urban area. The Athenebrunnen (or Fountain of Pallas Athena) is along Jean-Amery-Weg in the western part of Stuttgart, dating from 1911. Culture and events Stuttgart is known for its rich cultural heritage, in particular its State Theatre (Staatstheater) and State Gallery (Staatsgalerie). The Staatstheater is home to the State opera and three smaller theatres. It regularly stages opera, ballet and theatre productions as well as concerts. The Staatstheater was named Germany/Austria/Switzerland "Theatre of the year" in 2006; the Stuttgart Opera has won the 'Opera of the year' award six times. Stuttgart Ballet is connected to names like John Cranko and Marcia Haydée. Stuttgart is also home to one of Germany's most prestigious symphony orchestras, the Stuttgart Radio Symphony Orchestra, with famous English conductor Sir Roger Norrington, who developed a distinct sound of that orchestra, known as the Stuttgart Sound. They mostly perform in the Liederhalle concert hall. The city offers two Broadway-style musical theatres, the Apollo and the Palladium Theater (each approx. 1800 seats). Ludwigsburg Palace in the nearby town of Ludwigsburg is also used throughout the year as a venue for concerts and cultural events. As a result of Stuttgart's long history of viticulture (Even today there are vineyards less than from the Main Station), there are more than 400 flights of stairs (known in the local dialect as the "Stäffele") around the city, equivalent to approximately of steps. Later, in the early 19th Century, the city continued to grow and many vineyards were replaced by houses and streets and the Stäffele were used as footpaths to connect the newly built neighborhoods. Some of the stairs were elaborately decorated with fountains and plantings. The Schleyerhalle sports arena is regularly used to stage rock and pop concerts with major international stars on European tour. Stuttgart's Swabian cuisine, beer and wine have been produced in the area since the 17th century and are now famous throughout Germany and beyond. For example, Gaisburger Marsch is a stew that was invented in Stuttgart's Gaisburg area of Stuttgart East. In October 2009 the Stuttgart Ministry of Agriculture announced that the European Union was to officially recognise the pasta dish Maultaschen as a "regional specialty", thus marking its