Seattle Space Needle...

https://en.wikipedia.org/wiki/Space_Needle

https://upload.wikimedia.org/wikipedia/commons/0/0d/Seafirst_Building%2C_1969.jpg ,
https://en.wikipedia.org/wiki/Safeco_Plaza_(Seattle)

https://www.emporis.com/city/101046/seattle-wa-usa/status/all-buildings

https://www.spaceneedle.com/centuryproject-release ,

http://www.seattletimes.com/seattle-news/northwest/space-needle-to-get-its-biggest-renovation-ever-glass-floor-opened-views-more-elevators ,

http://www.king5.com/news/local/seattle/seattles-iconic-skyline-landmark-to-undergo-massive-upgrade/448118158 ,

https://www.google.ca/search?q=space+needle+renovation&oq=spaceneedle


https://www.emporis.com/statistics/tallest-buildings/city/101002/surrey-canada

https://www.emporis.com/city/101002/surrey-canada/status/all-buildings