How did they Lift a 4400 Ton Steel Spire to the Top of Burj Khalifa?

I hope you enjoyed the construction secrets of Burj Khalifa. The Bambulab 3D printer produced a fine experimental rig for this video. Feel free to explore more on the Bambu Lab official website: https://bambulab.com/en-in/a1?utm_sou... For authentic Bambu Lab products, visit the official retailer: https://robu.in/product-category/3d-p... Thanks Sabin Mathew