Space_Shuttle_Challenger_disaster

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

the Dubai hotel fire that took place on New year’s Eve

http://scoopempire.com/category/technology-social-media/#.Vo2n4vkrJD8

http://skyscraperpage.com/diagrams/?searchID=200

NYC

http://architizer.com/blog/shops-skinny-skyscraper-infographic

http://www.urbanfile.org/project/america/united-states/new-york/hudson-yards-redevelopment-project

Does Saudi Arabia’s Kingdom Tower Signal An Impending Economic Crisis?

http://scoopempire.com/saudi-arabias-kingdom-tower-signal-impending-economic-crisis/#.Vo2nUfkrJD9

http://www.urbanfile.org/project/asia/saudi-arabia/jeddah/kingdom-tower

https://en.wikipedia.org/wiki/Jeddah_Tower-
https://en.wikipedia.org/wiki/Jeddah_Tower

http://www.ctbuh.org/TallBuildings/FeaturedTallBuildings/ArchiveJournal/KingdomTowerJeddah/tabid/4415/language/en-GB/Default.aspx

http://architizer.com/blog/kingdom-tower-10-facts/

http://www.urbanfile.org/project/asia/saudi-arabia/jeddah/kingdom-tower

https://www.google.ca/search?q=Kingdom+Tower+Jeddah&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjboNjdq5bKAhVCKGMKHUZFCkUQ_AUIBygB&biw=2133&bih=1078&dpr=0.9

http://skyscraperpage.com/diagrams/?searchID=202