Staff members of the ground crew of the Berlin-Schonefeld airport are on a warning strike in Schoenefeld, Germany, 27 May 2010. The union Verdi called for a warning strike from 04 A.M. to 10 A.M. after five rounds of tariff negotiations did not have any result. The striking staff members usually take care of the check-in of passengers and luggage. Photo: Nestor Bachmann

- Image ID: D58WT5

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