Zaha Hadid Architects has been awarded first prize in the competition to build the Urban Heritage Administration Centre in Diriyah, Saudi Arabia. The competition for the 8,780 sq m head office of the Heritage Museum was initiated in 2015. The centre is integral to the on-going works to preserve Diriyah’s historic UNESCO world heritage listed site, continuing the restoration programmes throughout the 120km Wadi Hanifah valley that also includes the re-establishment of its natural environments.