Visitors walk through the ancient rock heritage site at Al Ula, Saudi Arabia, on Sunday, Feb. 10, 2019. Saudi Arabia's Crown Prince Mohammed Bin Salman officially launched his vision of the mega tourism project at the ancient site of Al Ula. Photographer: Mohammed Al-Nemer/Bloomberg
The ancient rock heritage site at Al Ula is set to be one of the biggest tourism draws when Saudi Arabia allows international travellers to visit. Bloomberg

Saudi Arabia to open its doors to international tourists before end of 2019