paragraph_text: Melbourne's CBD, compared with other Australian cities, has comparatively unrestricted height limits and as a result of waves of post-war development contains five of the six tallest buildings in Australia, the tallest of which is the Eureka Tower, situated in Southbank. It has an observation deck near the top from where you can see above all of Melbourne's structures. The Rialto tower, the city's second tallest, remains the tallest building in the old CBD; its observation deck for visitors has recently closed.

paragraph_text: The tallest building in Downtown Jacksonville's skyline is the Bank of America Tower, constructed in 1990 as the Barnett Center. It has a height of 617 ft (188 m) and includes 42 floors. Other notable structures include the 37-story Wells Fargo Center (with its distinctive flared base making it the defining building in the Jacksonville skyline), originally built in 1972-74 by the Independent Life and Accident Insurance Company, and the 28 floor Riverplace Tower which, when completed in 1967, was the tallest precast, post-tensioned concrete structure in the world.

paragraph_text: Hollola TV Mast is a mast in Hollola, Finland built in 1967. It has a height of 327 metres (1073 feet). It is also the tallest structure in Finland.

paragraph_text: Trammell Crow Center is a 50-story postmodern skyscraper at 2001 Ross Avenue in the Arts District of downtown Dallas, Texas. With a structural height of , and to the roof, it is the sixth-tallest building in Dallas and the 18th-tallest in the state. The tower was designed by the architecture firm Skidmore, Owings and Merrill, and has a polished and flamed granite façade, with of office space. It was originally built as the new headquarters of LTV (Ling-Temco-Vought) which had outgrown its previous headquarters at 1600 Pacific Tower.

paragraph_text: The world's tallest artificial structure is the 829.8 - metre - tall (2,722 ft) Burj Khalifa in Dubai (of the United Arab Emirates). The building gained the official title of ``Tallest Building in the World ''and the tallest self - supported structure at its opening on January 9, 2010. The second - tallest self - supporting structure and the tallest tower is the Tokyo Skytree. The tallest guyed structure is the KVLY - TV mast.

paragraph_text: The city of Las Vegas, Nevada and its surrounding unincorporated communities in the Las Vegas Valley are the sites of more than 160 high - rises, 42 of which stand taller than 400 feet (122 m). The tallest structure in the city is the Stratosphere Tower, which rises 1,149 feet (350 m) just north of the Las Vegas Strip. The tower is also the tallest observation tower in the United States. Since the Stratosphere Tower is not fully habitable, however, it is not considered a building. The tallest building in Las Vegas is The Drew Las Vegas, which rises 735 feet (224 m) and was topped out in November 2008. This building, however, is currently on hold. The tallest completed building in the city is the 52 - story Palazzo, which rises 642 feet (196 m) and was completed in 2007.

paragraph_text: Wadyan (Arabic: واديان) is a village in the island of Sitra, Bahrain. A branch of the National Bank of Bahrain and the Sitra police station are located in Wadyan.

paragraph_text: City Center Square is a skyscraper in downtown Kansas City, Missouri, built by Skidmore, Owings & Merrill, in the Spring of 1977. It occupies the entire block of 11th Street to 12th Street, and from Main Street to Baltimore Street. It's tower is 30 stories tall, constructed with a reinforced concrete structure evident by the look of the exterior. It is the tenth-tallest habitable structure in the Kansas City Metropolitan Area, and the fifteenth-tallest habitable structure in Missouri at .

paragraph_text: The Hyperion Tower (Korean: 하이페리온 타워), also known as the Mok-dong Hyperion Towers, is a group of three buildings located in the Yangcheon-gu district of Seoul, South Korea, completed in 2003. The tallest of which, Tower A, is 69 storeys and 256 metres (840 feet) high, making it the second tallest building in Seoul and the world's 214th tallest building. The towers are used as residential housing. Tower A is the world's 19th tallest residential building. Below the building is the Hyundai Department store, a chain of high end department stores in South Korea. At the time of its completion, the building was the tallest in the country but was surpassed by Samsung Tower Palace 3 – Tower G in 2004.

paragraph_text: The 135 m (443 ft) London Eye, typically described as a ``giant Ferris wheel ''by the media, has ovoidal externally mounted motorised capsules and is the`` world's tallest cantilevered observation wheel'' according to its operators, who claim ``The London Eye is often mistakenly called a Ferris wheel. This is not the case: first, the passenger capsules are completely enclosed and are climate controlled; secondly, the capsules are positioned on the outside of the wheel structure and are fully motorised; and third, the entire structure is supported by an A-frame on one side only. ''However the Singapore Flyer subsequently billed itself as the`` world's largest observation wheel'', despite being supported on both sides, and the official londoneye.com website also refers to the London Eye as ``Europe's tallest Ferris wheel ''.

paragraph_text: The Inco Superstack in Sudbury, Ontario, with a height of , is the tallest chimney in Canada and the Western hemisphere, and the second tallest freestanding chimney in the world after the GRES-2 Power Station in Kazakhstan. It is also the second tallest freestanding structure of any type in Canada, behind the CN Tower but ahead of First Canadian Place. It is the 40th tallest freestanding structure in the world. The Superstack is located on top of the largest nickel smelting operation in the world at Vale Inco's Copper Cliff processing facility in the city of Greater Sudbury.

paragraph_text: The Cathedral Church of Saint Peter and Saint Paul in the City and Diocese of Washington, commonly known as Washington National Cathedral, is a cathedral of the Episcopal Church located in Washington, D.C., the capital of the United States. The structure is of Neo-Gothic design closely modeled on English Gothic style of the late fourteenth century. It is both the second - largest church building in the United States, and the fourth - tallest structure in Washington, D.C. The cathedral is the seat of both the Presiding Bishop of the Episcopal Church, Michael Bruce Curry, and the Bishop of the Diocese of Washington, Mariann Edgar Budde. Over 270,000 people visit the structure annually.

paragraph_text: The Bahrain World Trade Center (also called Bahrain WTC or BWTC) is a 240-metre-high (787 ft), 50-floor, twin tower complex located in Manama, Bahrain. Designed by the multi-national architectural firm Atkins, construction on the towers was completed in 2008. It is the first skyscraper in the world to integrate wind turbines into its design. The wind turbines were developed, built and installed by the Danish company Norwin A/S.The structure is constructed close to the King Faisal Highway, near popular landmarks such as the towers of Bahrain Financial Harbour (BFH), NBB and Abraj Al Lulu. It currently ranks as the second-tallest building in Bahrain, after the twin towers of the Bahrain Financial Harbour. The project has received several awards for sustainability, including:

paragraph_text: The tower is 324 metres (1,063 ft) tall, about the same height as an 81 - storey building, and the tallest structure in Paris. Its base is square, measuring 125 metres (410 ft) on each side. During its construction, the Eiffel Tower surpassed the Washington Monument to become the tallest man - made structure in the world, a title it held for 41 years until the Chrysler Building in New York City was finished in 1930. Due to the addition of a broadcasting aerial at the top of the tower in 1957, it is now taller than the Chrysler Building by 5.2 metres (17 ft). Excluding transmitters, the Eiffel Tower is the second tallest structure in France after the Millau Viaduct.

paragraph_text: The tower is 324 metres (1,063 ft) tall, about the same height as an 81 - storey building, and the tallest structure in Paris. Its base is square, measuring 125 metres (410 ft) on each side. During its construction, the Eiffel Tower surpassed the Washington Monument to become the tallest man - made structure in the world, a title it held for 41 years until the Chrysler Building in New York City was finished in 1930. Due to the addition of a broadcasting aerial at the top of the tower in 1957, it is now taller than the Chrysler Building by 5.2 metres (17 ft). Excluding transmitters, the Eiffel Tower is the second - tallest structure in France after the Millau Viaduct.

paragraph_text: B of the Bang was a sculpture by Thomas Heatherwick next to the City of Manchester Stadium in Manchester, England, which was commissioned to mark the 2002 Commonwealth Games; it was one of the tallest structures in Manchester and the tallest sculpture in the UK until the completion of "Aspire" in 2008. It was taller and leaned at a greater angle than the Leaning Tower of Pisa. The sculpture took its name from a quotation of British sprinter Linford Christie, in which he said that he started his races not merely at the "bang" of the starting pistol, but at "the B of the Bang".

paragraph_text: The Empire State Building stood as the world's tallest building for nearly 40 years, from its completion in early 1931 until the topping out of the original World Trade Center's North Tower in late 1970. Following the September 11 attacks in 2001, the Empire State Building was again the tallest building in New York, until One World Trade Center reached a greater height in April 2012. The Empire State Building is currently the fifth - tallest completed skyscraper in the United States and the 35th - tallest in the world. It is also the fifth - tallest freestanding structure in the Americas. When measured by pinnacle height, it is the fourth - tallest building in the United States.

paragraph_text: First Canadian Place (originally First Bank Building) is a skyscraper in the Financial District of Toronto, Ontario, at the northwest corner of King and Bay streets, and serves as the global operational headquarters of the Bank of Montreal. At , it is Canada's tallest skyscraper and the 15th tallest building in North America to structural top (spires) and 9th highest to the roof top, and the 105th tallest in the world. It is the third tallest free-standing structure in Canada, after the CN Tower (also in Toronto) and the Inco Superstack chimney in Sudbury, Ontario. The building is owned by Brookfield Office Properties, putting it in co-ownership with the neighbouring Exchange Tower and Bay Adelaide Centre as well as various other office spaces across Downtown Toronto.

paragraph_text: The world's tallest artificial structure is the 829.8 - metre - tall (2,722 ft) Burj Khalifa in Dubai (of the United Arab Emirates). The building gained the official title of ``Tallest Building in the World ''and the tallest self - supported structure at its opening on January 9, 2010. The second - tallest self - supporting structure and the tallest tower is the Tokyo Skytree. The tallest guyed structure is the KVLY - TV mast. Breetsky was the third building, which was surpassed by Tokyo in 1987.

paragraph_text: Bank of America Tower (originally Barnett Center) is a skyscraper in the downtown area of Jacksonville, Florida, at the northwest corner of Bay and Laura streets. At , it is the tallest building in Jacksonville, and the eleventh-tallest in Florida (the tallest ten all being in Miami). It was built as the headquarters of Barnett Bank and originally named Barnett Center, but the name was changed to NationsBank Tower in 1998 after Barnett Bank was acquired by NationsBank. NationsBank soon acquired Bank of America and the building's name was changed to Bank of America Tower in 1999. The 42-floor structure was designed by German-American architect Helmut Jahn, and is constructed of reinforced concrete.

Question: What is the tallest structure in the country where Wadyan is located?
Answer: the twin towers of the Bahrain Financial Harbour