Tate Modern in London is a British museum of modern art and together with Tate Britain (formerly Tate Gallery, renamed in 2000), Tate Liverpool, Tate St. Ives and Tate Online, of the group currently known simply like Tate.
The museum was housed in the former power station of Bankside, in the district of Southwark, on the banks of the Thames. The mill, designed by architect Sir Giles Gilbert Scott and built in two phases between 1947 and 1963, was shut down in 1981 and the building was reconverted by the Swiss architects Herzog and Meuron.
Since its opening on May 12, 2000, the museum has promoted important temporary exhibitions of modern and contemporary art, and has become London’s third largest attraction.
In the Tate Modern collection there are some important works by Pablo Picasso, Matisse, Braque, Natalya Goncharova, Chirico, Francis Bacon, Alexander Calder, Chagall, among many other 20th century artists.
Visits, exhibitions of the collection and some temporary exhibitions are free.
Tate Modern had attracted more visitors than expected and planning plans to expand in the years 2004. These plans focus on the south of the city of construction with the intention of providing 5,000m2 of new screen space, nearly doubling the amount screen.
The third level of the construction was retained by the French energy EDF Energy as to the substructure substructure. In 2006, the company released the holding medium of this holding  and plans had been moved to the structure with the tower expanding to the museum, scheduled to be completed in 2015. The tower has been built in the old warehouse oil tanks, which would become the space space yield. In the framework of the United Nations Conference on Climate Change.
This project started at about 215 million pounds. In the money, £ 50 million UK government cam; £ 7 million from the London Development Agency; £ 6 million philanthropist John Studzinski; and donations from, among others, the Sultanate of Oman and Elisabeth Murdoch.
In June 2013, international transport and property magnate Eyal offered pledged £ 10m to the project extension, making 85% of the funds funds. Eyal offers, president of London-based Zodiac Maritime Agencies, said the donation made through her family foundation would allow “an institutional imitation to enhance the experience and lack of contemporary art.” The Tate director, Nicholas Serota, made the donation saying that he would do Tate Modern to “beautiful 21st century”.