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Clues: * Standing 1,815.4 ft tall,it was completed in 1976, becoming the world's tallest free-standing structure and world's tallest tower at the time. It held both records for 34 years until the completion of Burj Khalifa and Canton Tower in 2010.
 * This tower was classified as one of the Seven Wonders of the Modern World by the American Society of Civil Engineers.
 * Opened on 2011, EdgeWalk is the tower’s most thrilling attraction in its 35 year history, and the first of its kind in North America. It is the world’s highest full circle hands-free walk on a 5 ft wide ledge encircling the top of the Tower’s main pod, 1,168ft (116 storeys) above the ground.

Questions:

1. What is the name of this tower? 2. What city and province is the tower located in?

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