https://tayloronhistory.com/2015/05/25/history-of-torontos-cn-tower/
https://www.theweathernetwork.com/news/articles/torontos-iconic-cn-tower-is-celebrating-big-anniversary/69413/
http://www.cbc.ca/news/canada/toronto/anniversary-cn-tower-toronto-architecture-1.3645323
http://www.cntower.ca/en-ca/about-us/history/topping-of-tower.html
With its microwave receptors at 338 m (1,109 ft.) and at the 553.33m (1,815 ft., 5 inches) antenna, the CN Tower swiftly solved the communications problems with room to spare and as a result, people living in the Toronto area now enjoy some of the clearest reception in North America.
http://www.cntower.ca/en-ca/about-us/history/astounding.html
2011 – The first of its kind in North America, EdgeWalk is the world’s highest full circle hands-free walk on a 5 ft (1.5 m) wide ledge encircling the top of the CN Tower’s main pod, 356m, (1168 ft, 116 stories) above the ground.
Visit the middle observation deck (1,122 feet high)
http://www.travelzoo.com/ca/blog/5-tips-for-visiting-torontos-cn-tower
https://en.wikipedia.org/wiki/CN_Tower#Structure
https://en.wikipedia.org/wiki/CN_Tower#Height_comparisons
http://www.talkcondo.com/wp-content/uploads/2013/05/oxford-casino-skyline.jpg-
http://www.talkcondo.com/blog/10-architectural-landmark-condos-coming-toronto
http://blog.newinhomes.com/news/whats-oxford
http://forum.skyscraperpage.com/showthread.php?t=201934
https://www.google.ca/search?q=Oxford+Place+(Metro+Convention+Centre)
https://www.google.ca/search?q=cn+tower+toronto+in+1975&sa=X&biw=1276&bih=671&tbm=isch&tbo=u&source=univ&ved=0ahUKEwjznobH18HNAhUT8WMKHUWtCpcQsAQIKQ
https://www.google.ca/search?q=cn+tower+toronto+in+1976&biw=1276&bih=671&tbm=isch&tbo=u&source=univ&sa=X&ved=0ahUKEwjc_p7d2MHNAhWHKWMKHVyhAvcQsAQIKQ