BURJ KHALIFA

-Burj Khalifa is the most tallest building in the world.
-Is tallest than the C.N. Tower (553.33m), than the Taipei 101 (508 m), and than the Petronas Towers (452 m)
-It was maded in 7 years (January 2004 since January 2010).
-Burj Khalifa is very important in the world, it is know worldwide.