Tourists take photographs from the top of a tourist bus, of protesters taking part in an anti- austerity rally (not seen in the picture) outside the Greek parliament in central Athens,

 

              Tourists take photographs from the top of a tourist bus, of protesters taking part in an anti- austerity rally (not seen in the picture) outside the Greek parliament in central Athens,
Tourists take photographs from the top of a tourist bus, of protesters taking part in an anti- austerity rally (not seen in the picture) outside the Greek parliament in central Athens, Tuesday, July 16, 2013, during a 24-hour general strike. Unions opposing austerity measures in Greece staged their fourth general strike this year on Tuesday, as the government prepared to start axing public sector jobs. (AP Photo/Petros Giannakouris)