rail services. Budapest is one of the main stops of the on its Central and Eastern European route. There is also a suburban rail service in and around Budapest, three lines of which are operated under the name HÉV. Ports, shipping and others The river Danube flows through Budapest on its way from (Germany) to the Black Sea. The river is easily navigable and so Budapest historically has a major commercial port at Csepel District and at New Pest District also. The Pest side is also a famous port place with international shipping ports for cargo and for passenger ships. In the summer months, a scheduled hydrofoil service operates on the Danube connecting the city to Vienna. BKK (through the operator BKV) also provides public transport with boat service within the borders of the city. Two routes, marked D11 and D12, connect the two banks with Margaret Island and Óbuda Island, from Rómaifürdő (Buda side, north to Óbuda Island) or Árpád Bridge (Pest side) to Rákóczi Bridge, with a total of 18 stops, while route D2 circulates in the downtown. Line D14 is a ferry service, connecting Királyerdő on the Csepel Island with Molnár Island on the Pest side, south to the city centre. In addition, several companies provides sightseeing boat trips and also an amphibious vehicle (bus and boat) operates constantly. Water quality in Budapest harbours improved dramatically in the recent years, treatment facilities processed 100% of generated sewage in 2010. Budapesters regularly kayak, canoe, jet-ski and sail on the Danube, which has continuously become a major recreational site for the city. Special vehicles in Budapest, besides metros, include suburban rails, trams and boats. There are a couple of less common vehicles in Budapest, like the trolleybus on several lines in Pest, the Castle Hill Funicular between the Chain Bridge and Buda Castle, the cyclecar for rent in Margaret Island, the chairlift, the Budapest Cog-wheel Railway and children's railway. The latter three vehicles run among Buda hills. Culture and contemporary life The culture of Budapest is reflected by Budapest's size and variety. Most Hungarian cultural movements first emerged in the city. Budapest is an important center for music, film, theatre, dance and visual art. Artists have been drawn into the city by opportunity, as the city government funds the arts with adequate financial resources. Budapest is the headquarters of the Hungarian LGBT community[Citation needed]. Budapest was named "City of