. "1976" . "1973" . "147"^^ . "CN Tower"@en . . "6.3E7"^^ . . "Tour CN"@en . . . . "The CN Tower (French: Tour CN) is a 553.33 m-high (1,815.4 ft) concrete communications and observation tower in downtown Toronto, Ontario, Canada. Built on the former Railway Lands, 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."@en . "1976-10-01Z"^^ . . .