AlHijjah 27, 1432, Nov 23, 2011, SPA - Qatari Emir Sheikh Hamad bin Khalifa Al Thani met here this morning the Duke of York, Prince Andrew who called on the Emir to greet him on the occasion of his visit to Qatar to attend the launch of Pearl Gas-to-Liquids (GTL) project, according to a report of the Qatari News Agency (QNA).