Tallest building -bdk-(A124327)

i want share info about the tallest buildings:

This is the tallest tower in the world right now.

It known as Durj Dubai. This tower under construction in Dubai that reached 818 m (2684ft) in height on 17 january 2009.

Burj Dubai

The tower is located three miles west of blanchard, North Dakota, halfway between Fango and Grand Forks. It became the tallest artificial structure upon the completion of its construction on 13 August 1963. The mast was surpassed in height by 57 ft(17 m) in 1974 by Warszawa radio mast near Konstantynow, Poland, which collapsed on 8 August 1991, making the KVLY-TV mast again the tallest structure on land.

KVLY TV MAST

This tower known as CN Tower, located in Downtown Toronto, Ontario, Canada, is a communication and obsevation tower standing 553.33 metres (1815.4 ft) tall

CN Tower