HH the Amir Sheikh Tamim bin Hamad Al-Thani will patronize the opening of the Third Asia Cooperation Dialogue (ACD) Summit on Thursday morning. The summit will be held under the theme 'Sports Diplomacy', with the participation of a number of Their Highnesses and Excellencies heads of states and governments, delegations of fraternal and friendly countries, and senior officials at the Ritz Carlton Hotel - Doha.Source: Qatar News Agency