RIYADH: Saudi Arabias crown prince thanked the UAE on Saturday for supporting the Kingdom’s bid to host World Expo 2030. In a phone call with Abu Dhabi Crown Prince Sheikh Mohammed bin Zayed, Prince Mohammed bin Salman congratulated Sheikh Mohammed on the success of Expo 2020 Dubai and wished the country and its people further progress and development. Saudi Arabia’s crown prince announced Riyadh’s submission of a formal request to host the World Expo 2030 on Friday.