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
National Theatre (Budapest) National Theatre (Budapest) The National Theatre, located in Budapest originally opened in 1837. Since then, it has occupied several locations, including the original building at Kerepesi Street, the "People's Theatre" at Blaha Lujza Square, as well as Hevesi Sándor Square, its longest temporary location. It currently occupies the National Theatre building, which opened March 15, 2002. The concept of a national theatre in Budapest was born at the turn of the 18th-19th century, promoted by influential thinkers including Ferenc Kazinczy and Baron István Széchenyi. Széchenyi was a major figure in Hungary's reform. He dreamed of a great building on the