 Airport concession meaning, why aviation union protest against Federal Airports Authority of Nigeria 1 September 2020 Wia dis foto come from, Hadi Sirika Wetin we call dis foto, Nigeria Aviation Minister Hadi Sirika Airport concession no be news again for Nigeria but aviation union dey protest against Federal Airports Authority of Nigeria Dis airport concession go affect Murtala Muhammed International Airport Lagos MMIA, Nnamdi Azikiwe International Airport Abuja NAIA, Mallam Aminu International Airport Kano MAKIA and Port Harcourt International Airport PHIA. 