Mecca Tower will soon become the new Worlds Tallest Building, at a height of 5,987 feet or 1,824 meters or 1.8 Kilometers The new tower will be home to more than 380 stories. It would be the first building in history to reach the mile high marker. This new building will have many interesting features. It will hold the title for the Worlds Tallest Observation deck at a height of 5,368 feet. This building will be one of the Strongest and Safest Building in the World. When construction starts there would be more than 5,400 workers constructing this skyscraper. When you compare the current worlds tallest building, and the new worlds tallest building, It will overtake it by at least more than 950 meters. The most biggest challenge in constructing this mega tall building is how to stop the wind forces from collapsing the structure to the ground. Also how to get the elevators to the upper most floors of the building. Mecca Tower will have the latest elevator technology. It will also have the strongest core walls ever built for a mega tall building. The core wall in an ordinary skyscraper is around 2-4 feet thick. Mecca Tower's core wall will be between 3-6 foot thick. The biggest challenge is pumping concrete up more than 1600 meters.