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ThePalmenhaus Schönbrunn is a large greenhouse inVienna,Austria featuring plants from around the world. It opened in 1882. It is the most prominent of the four greenhouses inSchönbrunn Palace Park, and is also among the largest botanical exhibits of its kind in the world, with around 4,500 plant species.

Several forerunners were built in the Palace Park in the 18th and 19th centuries, under EmperorsFrancis I andJoseph II. The present building was built by Ignaz Gridl following plans by court architect Franz-Xaver von Segenschmid,[1] known for his projects of bridges, and Sigmund Wagner. Groundbreaking took place in 1881 andFranz Joseph I opened the greenhouse on 19 June 1882.[2] Since 1918 it has been run by theBundesgärten (Federal Gardens).Aheavy bomb attack on Schönbrunn Palace in February 1945 destroyed most of the glazing of the Palmenhaus. Many plants died, although some were saved by being transferred to the nearbySonnenuhrhaus. The rebuilding began in 1948, and the Palmenhaus was reopened in 1953.
The building was closed to the public in 1976 as a safety measure following thecollapse of the Reichsbrücke. Renovations were carried out between 1986 and 1990.[2][3]
Built with 600 tons ofwrought iron and 120 tons ofcast iron, the Palmenhaus is 111 metres long, 28 metres wide and 25 metres high, and has 45,000 glass tiles. The annexes on the north and south sides serve as a coldhouse and a hothouse respectively.[2]

48°11′05″N16°18′10″E / 48.18472°N 16.30278°E /48.18472; 16.30278