(131205) -- LISBON, Dec. 5, 2013 (Xinhua) -- Employees of Portugal's postal service CTT attend a protest against the selling of CTT share in Lisbon, Dec. 5, 2013. Portugal began to sell a 70-percent share of the country's postal service CTT on Thursday. The sale was part of Portugal's privatization process, required under the country's 78-billion-euro (106-billion-dollar) bailout agreement clinched in May 2011 with the European Union, the International Monetary Fund and the European Central Bank, to reduce its debt burden.(Xinhua/Zhang Liyun)