CN Tower is the tallest tower in the world (will be the second in the world, if the Guangzhou TV & Sightseeing Tower is completed), which is 553.33 meters high. The tower is located in the city of Toronto, Ontario, Canada, and is regarded as an icon city (Coordinates: 43 ° 38'33 .24 "N, 79 ° 23'13 .7" BB). CN Tower is visited by more than
two million people every year. The tower was built in 1973.
CN is the official abbreviation of the Canadian National Railway (Canadian National Railways), but after the company decided to invest in assets mecabut railway goods which are not the core business in the steps that lead to the privatization of the company in 1995, the CN Tower was transferred to Canada Lands Company (CLC), a federal Crown corporation responsible for real estate development. Because the citizens of Toronto want to retain the name CN Tower, the abbreviation CN now changed it means to be Canada's National and not the original name, Canadian National.Pembangunan CN Tower started on February 6, 1973 by the Canadian National Railway who wanted to build a television transmitter and radio communications to serve the Greater Toronto Area and demonstrate the power of the Canadian industry. This project was built for 24 hours a day, 5 days a week, for 40 months by 1537 workers. The tower was finally opened to the public on June 26, 1976. Construction costs reached about 330 million Canadian dollars (for the size in 2005) and repayable in 15 years.