Information Source:
http://www.ctbuh.org/Publications/CTBUHJournal/InNumbers/TBINTwistingTowers/tabid/7295/language/en-US/Default.aspx

Images Credit:
http://www.orangesmile.com/extreme/de/spiral-buildings/ff-tower.htm#object-gallery

1. SHANGHAI TOWER
http://www.ghattourrecruitment.com/home.php
https://en.wikipedia.org/wiki/File:Shanghai_Tower_2015.jpg
https://www.gensler.com/projects/shanghai-tower

2. OCEAN HEIGHTS
https://www.behance.net/gallery/9331495/Real-Estate-Interior-Shoot-2012-2014-(-Dubai-)
https://en.wikipedia.org/wiki/File:Ocean_Heights_Dubai_Marina.jpg
http://dubaicuidad.blogspot.co.id

3. CAYAN TOWER
http://www.som.com/projects/cayan_tower
http://www.architectmagazine.com/design/buildings/cayan-tower-designed-by-skidmore-owings-merrill_o
http://alluae.ae/dubai-city-video-gallery/

4. REGENT EMIRATES PEARL
https://www.e-architect.co.uk/dubai/regent-emirates-pearl
http://www.implement-ae.com/portfolio/hotels-hospitality/

5. NINGBO BANK OF CHINA HEADQUARTERS
http://www.som.com/projects/ningbo_bank_of_china_headquarters

6. EVOLUTION TOWER
http://ibc-planet.ru
http://myxin.ru
https://commons.wikimedia.org/wiki/File:Moscow_Business_Center_Sep2017.jpg?uselang=ru

7. AL MAJDOUL TOWER
http://www.skyscrapercity.com/showthread.php?p=140167986
https://www.flickr.com/photos/baderalotaby/26702705613/
https://www.flickr.com/photos/dullatjie/33962306854/

8. F&F TOWER
http://shafir.info/plain/panama~panama_city~el_revolution_tower_and_punta%20pacifica.htm
https://www.flickr.com/photos/vil_sandi/26103713180/
http://www.skyscrapercity.com/showthread.php?t=1545901

9. AL TIJARIA TOWER
http://www.panoramio.com/photo/90635138
https://www.mimoa.eu/projects/Kuwait/Kuwait%20City/Al%20Tijaria%20Tower%20-%20Kuwait%20Trade%20Center/
http://www.keoic.com/Projects/Details/194

10. UNITED TOWER
http://www.orangesmile.com/destinations/manama/advices--784833.htm
http://www.skyscrapercity.com/showthread.php?p=126945274

11. AL BIDDA TOWER
https://www.robertharding.com/index.php?lang=en&page=search&s=doha&smode=0&zoom=1&display=5&sortby=0&bgcolour=white&paged=3
https://www.mimoa.eu/projects/Qatar/Doha/Al%20Bidda%20Tower/
http://openbuildings.com/buildings/al-bidda-tower-profile-40389?_show_description=1

12. SOCAR TOWER
http://www.skyscrapercity.com/showthread.php?t=821868&page=52
http://www.insaatnoktasi.com/HABER/44745/TEKFEN-INSAATIN-YAPTIGI-SOCAR-TOWERA-ENRDAN-EN-IYI-OFIS-ODULU.aspx
http://projects.archiexpo.es/project-21579.html

13. TURNING TORSO
http://historiadelarteenepa.blogspot.co.id/2015/11/
http://www.palladium.de/Gallery/02_Exteriors/77
http://www.raboff.com/turning-torso/

14. TRUMP INTERNATIONAL HOTEL & TOWER
http://vancouver.skyrisecities.com/news/2017/05/shortlist-announced-aibc-architectural-awards
http://urbanyvr.com/vancouver-trump-tower-worst-staging-ever
http://vanmag.com/city/news-events-live/trumped-by-the-donald/

15. GENERALI TOWER
http://blog.urbanfile.org/2017/01/09/milano-tre-torri-cantiere-citylife-inizio-gennaio/
http://www.skyscrapercity.com/showthread.php?t=1990179
https://www.instagram.com/p/BXnTS3sjLrJ/?taken-by=jacopo_tarchini

16. ABSOLUTE WORLD BUILDING D
http://www.myvisuallistings.com/pfsnb/234164
https://squareonelife.com/absolute-condo-problems/
https://www.thestar.com/news/gta/2017/01/03/in-2017-mississauga-will-have-to-decide-how-it-grows-up.html
http://www.skyscrapercenter.com/mississauga/absolute-world-building-d/2939/

17. MODE GAKUEN SPIRAL TOWERS
https://travel.mynavi.jp/kanko/article/1499/
http://www.my-art.com/en/lolonosekai/designs/la-mode-gakuen-spiral-towers
http://mymodernmet.com/modern-architecture/

18. ABSOLUTE WORLD BUILDING E
http://winthehumanrace.ca/development-in-mississauga/
http://aasarchitecture.com/2012/11/absolute-towers-by-mad.html
https://commons.wikimedia.org/wiki/File:Absolute_World_January_2016.jpg
http://www.skyscrapercenter.com/mississauga/absolute-world-building-e/3918/

19. ARENA TOWER
https://www.gumtree.com/property-to-rent/london?adRemoved=true
https://topsy.one/hashtag.php?q=%23chaseevansltd
http://metro.co.uk/2014/01/24/isle-of-dogs-from-wasteland-to-towering-success-4274575/
 
20. AVAZ TWIST TOWER
https://commons.wikimedia.org/wiki/File:Sarajevo_Bus-Station_2011-10-19_(2).jpg
http://mapio.net/pic/p-44650767/
https://avaztwisttower.com