Saudi Arabia to invest more than $7.8b in Riyadh Expo 2030 ALBAWABA – Organizers will later on Tuesday announce whether the Riyadh Expo 2030, to be hosted by Saudi Arabia, will materialise, with other contenders including South Korea and Italy bidding to host the World Expo 2030. The World Expo, which traces its history back to the 1851 Great Exhibition in London, is a months-long mega event attracting millions of ...