President Trump is one of the world's most famous Twitter users - and that fact isn't being forgotten during his trip.
In addition to his main address he'll also make a short speech at a social media conference in Riyadh.
Architect Takharu Tezuka explains the open-plan kindergarten
Hundreds of experts are thinking about the future of our urban environments during the World Cities Summit in China.
Many have been influenced by designers such as Tokyo's Takharu Tezuka who has pioneered the open-plan kindergarten.
Two films produced by the streaming service Netflix are in competition for the top prize at the Cannes Film Festival, the Palme d'Or.
But their inclusion has sparked a debate about how films should be watched and distributed.
The war in Syria has seen a steady flow of people fleeing to neighbouring countries.
That influx has meant Syrian culture is being transplanted into new regions.
Turkey has about three million Syrian refugees.