“When you enter Mukaab, you enter another world,” CEO Michael Dyke told attendees at a Riyadh conference in December, acknowledging difficulties realising the project. The sources include people familiar with the project’s development and people privy to internal deliberations at the PIF. Officials from PIF, the Saudi government and the New Murabba project did not respond to requests for comment. The kingdom is currently conducting a comprehensive review of several Vision 2030 mega projects. But the Mukaab is the first project in the Saudi capital reported to be reassessed for feasibility.