Abu Dhabi, July 24 (BNA): HH Sheikh Mansour bin Zayed Al Nahyan, Deputy Prime Minister and Minister of Presidential Affairs of the United Arab Emirates, received at his office at the Presidential Palace in Abu Dhabi His Excellency Dr. Sheikh Abdullah bin Ahmed Al Khalifa, Undersecretary of the Ministry of Foreign Affairs for International Affairs, Chairman of the Board of Trustees of the Bahrain Center for Strategic and International Studies and Energy Studies.