The Empire State Building is a 102-story Art Deco skyscraper in Midtown Manhattan. It was designed by Shreve, Lamb & Harmon and built from 1930 to 1931. The building has a roof height of 380 m and stands a total of 443.2 m tall, including its antenna. The Empire State Building stood as the world's tallest building until the construction of the World Trade Center in 1970; following the latter's collapse in 2001, the Empire State Building was again the city's tallest skyscraper until 2012. As of 2020, the building is the seventh-tallest building in New York City, the ninth-tallest completed skyscraper in the United States, the 49th-tallest in the world, and the sixth-tallest freestanding structure in the Americas.
The site of the Empire State Building, in Midtown South on the west side of Fifth Avenue between West 33rd and 34th Streets, was developed in 1893 as the Waldorf–Astoria Hotel. In 1929, Empire State Inc. acquired the site and devised plans for a skyscraper there. The design for the Empire State Building was changed fifteen times until it was ensured to be the world's tallest building. Construction started on March 17, 1930, and the building opened thirteen and a half months afterward on May 1, 1931. Despite favorable publicity related to the building's construction, because of the Great Depression and World War II, its owners did not make a profit until the early 1950s.
The building's Art Deco architecture, height, and observation decks have made it a popular attraction. Around four million tourists from around the world annually visit the building's 86th- and 102nd-floor observatories; an additional indoor observatory on the 80th floor opened in 2019. The Empire State Building is an American cultural icon: it has been featured in more than 250 TV shows and movies since the film King Kong was released in 1933. The building's size has become the global standard of reference to describe the height and length of other structures. A symbol of New York City, the building has been named as one of the Seven Wonders of the Modern World by the American Society of Civil Engineers. It was ranked first on the American Institute of Architects' List of America's Favorite Architecture in 2007. Additionally, the Empire State Building and its ground-floor interior were designated city landmarks by the New York City Landmarks Preservation Commission in 1980.
References:The Clementinum is a historic complex of buildings in Prague. Until recently the complex hosted the National, University and Technical libraries, the City Library also being located nearby on Mariánské Náměstí. The Technical library and the Municipal library have moved to the Prague National Technical Library at Technická 6 since 2009. It is currently in use as the National Library of the Czech Republic.
Its history dates from the existence of a chapel dedicated to Saint Clement in the 11th century. A Dominican monastery was founded in the medieval period, which was transformed in 1556 to a Jesuit college. In 1622 the Jesuits transferred the library of Charles University to the Klementinum, and the college was merged with the University in 1654. The Jesuits remained until 1773, when the Klementinum was established as an observatory, library, and university by the Empress Maria Theresa of Austria.