Saudi Arabia's ultra-ambitious Neom project faces growing doubts due to rising costs, delays, and a lack of transparency, with questions about its feasibility and long-term viability.

Saudi Arabia is building a futuristic metropolis with an unprecedented level of ambition. Particularly impressive is the NEOM project, which plans to develop a 105-mile-long linear city, the Jeddah Tower skyscraper that will stand over half a mile high,

Saudi Arabia's NEOM gigaproject, a futuristic region being built in the desert, is a "generational investment" with a long timeline, the country's investment minister told Reuters on Monday, adding that foreign investment will pick up pace.

Saudi Arabia is building its metropolis of the future with ambitions unseen before. Particularly impressive in its scope is the NEOM project, which plans the construction of a linear city 170 kilometres long,