HE Dr Abdullah bin Abdulaziz bin Turki al-Subaie, Minister of Municipality and Chairman of the Expo 2023 Doha Committee, visited the site of the expo at Al Bidda Park, the Expo Doha 2023 organisers said in a tweet Wednesday. HE the Minister was accompanied by Expo 2023 Doha Secretary-General Mohamed al-Khouri, Expo 2023 Doha Commissioner-General Bader al-Dafa and a number of other officials. HE the Minister was briefed on some of the construction works and shown a presentation on the technology used such as solar panels and sustainable energy.