The world knows that the world biggest tower is Burj Al Khalifa. Which is in Dubai. It is also known as Burj Al Dubai. Which is 2,722 ft high. That is a world record and every one is looking to break it. But now Japanese have decided to build the biggest tower of the world in Tokyo. It is named as "Sky Mile Tower". According to them the sky mile tower will be of twice as height as Burj al Khalifa. The construction of this tower has already started and it will be completed in 2045. It will be of 5577 ft hight. Thats gonna take a long time to be built. This tower will beat the world record of Burj Al Khalifa as the world's biggest tower.