Watch "Donald Trump arrives for tour of Saudi UNESCO site" on YouTube Donald Trump arrives at Diriyah At-Turaif, a historical district and UNESCO world heritage site, on the edge of Riyadh. The US president was shown around the site by Crown Prince Mohammed bin Salman https://www.youtube.com/live/LB3mH0P0wnQ?si=NeIXAh0W203S2ROZ