AL-ULA — Prince Sultan Bin Salman, president of the Saudi Commission for Tourism and National Heritage has decided to amend the work schedules at Madaen Saleh – Al-Hajar site (the first site registered in the world heritage list). The site will be open to visitors from 7 a.m. to 6 p.m. throughout the week. Several tourist guides and tourist trip organizers said the decision will enable more tourists to visit Madaen Saleh site.