Sir David addressing the UNESCO Global Knowledge Societies Forum, at Dhahran, Saudi Arabia - December 2013

Sir David addressing the UNESCO Global Knowledge Societies Forum, at Dhahran, Saudi Arabia - December 2013

Sir David addressing the UNESCO Global Knowledge Societies Forum, at Dhahran, Saudi Arabia - December 2013

Sir David addressing the UNESCO Global Knowledge Societies Forum, at Dhahran, Saudi Arabia - December 2013

Sir David addressing the UNESCO Global Knowledge Societies Forum, at Dhahran, Saudi Arabia - December 2013

Sir David addressing the UNESCO Global Knowledge Societies Forum, at Dhahran, Saudi Arabia - December 2013