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Visitors inform themselves at a stand of Turkish Airlines at the International Tourism Trade Fair (ITB) on March 8, 2017 in Berlin. / AFP PHOTO / STEFFI LOOS (Photo credit should read STEFFI LOOS/AFP/Getty Images)

Visitors inform themselves at a stand of Turkish Airlines at the International Tourism Trade Fair (ITB) on March 8, 2017 in Berlin.   / AFP PHOTO / STEFFI LOOS        (Photo credit should read STEFFI LOOS/AFP/Getty Images)