Canton Tower vs John Hancock Center

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The Canton Tower (Chinese: ???), officially Guangzhou TV Astronomical and Sightseeing Tower (Chinese: ???????????), is a 604-meter (1,982 feet )-tall multipurpose monitoring tower in the Haizhu District of Guangzhou (alternatively romanized as Canton). The tower was topped out in 2009 and it became operational on 29 September 2010 for the 2010 Asian Games.

The tower briefly held the title of tallest tower in the world, replacing the CN Tower, before being surpassed by the Tokyo Skytree. It was the tallest structure in China prior to the topping out of the Shanghai Tower on 3 August 2013, and is now the second tallest tower and the fourth-tallest freestanding structure in the world.

Source: Wikipedia

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875 North Michigan Avenue, formerly the John Hancock Center, is a 100-story, 1,128-foot supertall skyscraper located in Chicago, Illinois. Located in the Magnificent Mile district, its title was changed to 875 North Michigan Avenue on February 12, 2018. However, despite this, the building is still colloquially referred to as the John Hancock Center. It had been built under the supervision of Skidmore, Owings and Merrill, with Peruvian-US chief designer Bruce Graham and Bangladeshi structural engineer Fazlur Rahman Khan. When the building topped out on May 6, 1968, it was the second-tallest building in the world and the tallest outside New York City. It's currently the fourth-tallest building in Chicago and the ninth-tallest in the USA, after One World Trade Center, the Willis Tower, 432 Park Avenue, the Trump Tower Chicago, the Empire State Building, the Bank of America Tower, 30 Hudson Yards and the Aon Center. When measured to the top of its antenna masts, it stands at 1,500 feet (457 m). The building is home to many offices and restaurants, in addition to about 700 condominiums. It also Includes the third-highest residence in the world, after the Burj Khalifa in Dubai and the Trump Tower in Chicago. The building was named for John Hancock Mutual Life Insurance Company, a developer and original tenant of the building. In 2018, John Hancock Insurance requested that its name be removed and the owner is seeking another naming rights deal.From the 95th floor restaurant, diners can look out at Chicago and Lake Michigan. The observatory (360 Chicago), which competes with the Willis Tower's Skydeck, has a 360° view of town, up to four states, and a space of over 80 miles (130 km). 360 Chicago is home to TILT, a moving platform that welcomes visitors across the edge of the skyscraper to a 30-degree angle, a full bar with local collections, Chicago's only open-air SkyWalk, and also features free interactive high definition touch screens in six languages. The 44th-floor sky lobby features America's highest indoor swimming pool.

Source: Wikipedia