Canceled flights are displayed on a board as the flight attendants of German Lufthansa airline went on a seven hour strike at the airport of Frankfurt, Germany, on Friday morning, Aug. 31, 2012 ... more 
Canceled flights are displayed on a board as the flight attendants of German Lufthansa airline went on a seven hour strike at the airport of Frankfurt, Germany, on Friday morning, Aug. 31, 2012 causing at least 60 canceled flights. More and longer lasting strikes are announced for the next days and weeks.(AP Photo/Michael Probst) less 
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Associated Press | Photo By Michael Probst
Fri, Aug 31, 2012 4:33 AM EDT