Construction team used more than 450 tons (approximately 1.000.000 pounds) of steel and 3 layers of pulverized concrete.Mask that Defne Engineering have great effort in project phase, is applicant for "Guinness World Records" with its 58 meters (190ft) height. You can check the technical article that about function of Defne Engineering in the project phase, by clicking here.

Some Turkish web links about ceremony

http://fotogaleri.hurriyet.com.tr/GaleriDetay.aspx?cid=26384&p=1&rid=2

http://www.gazeteyenigun.com.tr/icerik.asp?page=guncel&tarih=2009-09-03&nID=63865