A foreign tourist visits the Abu Lawha, the largest Nabataean tomb at the desert archaeological site of Madain Saleh, northwest of Riyadh, Saudi Arabia. Hassan Ammar / AP Photo
A foreign tourist visits the Abu Lawha, the largest Nabataean tomb at the desert archaeological site of Madain Saleh, northwest of Riyadh, Saudi Arabia. Hassan Ammar / AP Photo

Saudi Arabia’s new visa regime comes into effect