It’s an out-of-the-box undertaking. Ground has officially been broken in Saudi Arabia for what is expected to be the “world’s largest building.” The ambitious, $50 billion project — called

Saudi Arabia has officially began construction on the 'Mukaab' project - a 1,300-foot tall cube-shaped skyscraper, which would be the largest building in the world, once completed. The gigantic monolithic structure will be the centerpiece of the ambitious New Murabba development in northwest Riyadh spread over 11 kilometers.

Riyadh, this tallest structure will encompass a staggering two million square metres of floor space, equivalent to twenty times that of New York's iconic Empire State Building.

As if the Line wasn't enough, Saudi Arabia is currently busy constructing yet another amazing skyscraper, named the Mukaab. Taking the form of a supertall cube, new information has been released that details the build progress so far and the sheer scale of the project.

The ambitious $50 billion project — called the Mukaab — in the capital city Riyadh, is part of a wave of futuristic construction across the Arab nation.

The world's biggest skyscraper, the Mukaab tower, is being built in Riyadh, Saudi Arabia, which will be 1,300 feet tall and almost as wide while also boasting amazing technology

Construction has begun on the 400-metre-high, cube-shaped Mukaab supertall skyscraper in Riyadh designed by AtkinsRéalis, which will be the world's largest building when it completes.

The new structure will have millions of square feet for living, shopping and working. To make room, 10 million cubic meters of baked earth have been painstakingly excavated.