https://en.wikipedia.org/wiki/Telus_Sky ,
http://skyscraperpage.com/diagrams/?cityID=3
http://www.archdaily.com/399946/big-unveils-telus-sky-tower-in-calgary/
http://www.designbuild-network.com/projects/telus-sky-calgary/telus-sky-calgary6.html
http://www.calgarysun.com/2014/11/22/construction-kicks-off-in-downtown-calgary-for-planned-222-metre-telus-sky-tower
https://www.google.ca/search?q=telus+sky+tower+calgary&sa=X&es_sm=93&biw=1600&bih=799&tbm=isch&tbo=u&source=univ&ved=0CCkQsARqFQoTCKC4-oP4kcYCFQSjiAodBC0A7w
http://news.buzzbuzzhome.com/2013/12/top-western-canada-real-estate-stories-2013.html
http://www.skyscrapercenter.com/interactive-data/submit?type%5B%5D=building&status%5B%5D=COM&status%5B%5D=UC&status%5B%5D=UCT&status%5B%5D=STO&status%5B%5D=PRO&base_city=706&base_height_range=0&base_company=All&base_min_year=1900&base_max_year=9999&skip_comparison=on&output%5B%5D=list