Greek civil servants stage a theatrical performance during a demonstration to protest the austerity measures and the reform of the pension system in Athens, capital of Greece, July 15, 2010. The umbrella labor union of public sector employees in Greece staged a four- hour work stoppage, as the parliament was due to approve the bill which is presented by the the Greek government as a vital step to face a severe economic crisis. [Marios Lolos/Xinhua]