Saudi and foreign missions have started surveying and excavating in four archaeological sites in Asir region during the year 2018 in implementation of the directives of Prince Sultan bin Salman bin Abdulaziz, President of Saudi Commission for Tourism and National Heritage (SCTH). The Director General of SCTH in the region Engineer Mohammed Al-Omra said that the most important Saudi international joint missions operating in the region is the Saudi-British project in conjunction with York and Liverpool Universities .