Metro Line M4 (Budapest Metro) Metro Line M4 (Budapest Metro) Line 4 (officially: South Buda–Rákospalota (DBR) Line, Metro 4 or M4, and unofficially: Green Line), is the fourth line of the Budapest Metro. It opened on 28 March 2014. The first section, 7.4 km in length and consisting of ten stations, connects the southwestern Kelenföld vasútállomás located in Buda, and the eastern Keleti pályaudvar in Pest, under the River Danube. While three additional sections — one an eastern extension to Bosnyák tér, the second west to Virágpiac, and a third further east to Újpalota — have been planned, these remain unfunded by the Budapest city
People's Park (Budapest) People's Park (Budapest) Népliget or People's Park is the biggest public park in Budapest, Hungary. It is located southeast of the city centre, and covers an area of . It was established to commemorate the 100th anniversary of the union of Pest, Buda and Óbuda. The park is the site of the Planetarium, which is a laser theatre, and the E-klub, the biggest night club in Budapest. The park was the site of the 1936 Hungarian Grand Prix, held on roads within the park, as well as a round of the 1963 European Touring Car Challenge season. South of the