FILE PHOTO: A general view of unattended check-in counters, as airport workers protest at Cologne-Bonn Airport (CGN) during a strike called by German trade union Verdi, in Cologne, Germany, March 17, 2023. REUTERS/Stephane Nitschke
FILE PHOTO: A general view of unattended check-in counters, as airport workers protest at Cologne-Bonn Airport (CGN) during a strike called by German trade union Verdi, in Cologne, Germany, March 17, 2023. REUTERS/Stephane Nitschke