French architect Jean Nouvel has revealed plans for a subterranean resort and hotel that would be hidden within the rock dwellings of AlUla, a natural region of north-west saudi arabia. located deep within the sharaan nature reserve, the project references the nearby hegra — a famous archaeological location that forms the country’s first UNESCO world heritage site. set to be completed by 2024, the development will include 40 guest suites and three villas. meanwhile, a retreat summit center nearby will feature 14 private pavilions.