Inco Superstack vs Menara Telekom

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The Inco Superstack in Sudbury, Ontario, with a height of 381 metres (1,250 ft), is the tallest chimney in Canada and the Western hemisphere, and the 2nd tallest freestanding chimney in the world after the GRES-2 Power Station in Kazakhstan. It's also the second tallest freestanding structure of any kind in Canada, behind the CN Tower but forward of First Canadian Place. It's the 40th tallest freestanding structure in the world. The Superstack is situated on top of the biggest nickel smelting operation in the world at Vale's Copper Cliff processing centre in the city of Greater Sudbury.

In 2018, Vale declared that the stack will be decommissioned and dismantled beginning in 2020. On July 28, 2020, Vale declared that the stack had been officially taken out of service, but would remain operational in standby mode for two more months as a backup in case of a malfunction in the new system, after which the dismantling of this Superstack will begin. In addition to further reducing sulfur dioxide emissions by 85 percent, the decommissioning of the pile is expected to cut the complex's natural gas consumption in half.

Source: Wikipedia

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The Telekom Tower (Malay: Menara Telekom) or Menara TM is a skyscraper in Lembah Pantai, southwestern Kuala Lumpur, Malaysia.

It is 310 m (1,017 feet ) tall, has 55 flooring, and is shaped to represent a sprouting'bamboo shoot'. It is located along the Federal Highway, Sprint Expressway and Jalan Pantai Baharu and is served by the Rapid KL Kerinchi LRT station. It was designed by Hijjas Kasturi Associates and has been constructed between 1998 and 2001 by Deawoo Construction. The building was formally opened on 11 February 2003 from the fourth Malaysian Prime Minister, Tun Dr Mahathir Mohamad. It resembles the Bitexco Financial Tower of Ho Chi Minh City (finished in 2010) and the Telecommunications Tower (finished in 2002) in Montevideo. With a string of hanging gardens scaling it, the structure cost over $160 million. The tower has been designed to profit from its surrounding environment, with its windows, orientation, and air condition system to encourage energy saving.The complex also includes a theater able to seat a 2,500 audience, a huge prayer hall (surau) and a sports facility. A unique feature of the tower is its 22 open skygardens alternating every three floors. The office floors are split into north and south wings served by express double-deck elevators. Near the construction is Kerinchi Pylon, the tallest electricity pylon in Southeast Asia.

Source: Wikipedia