Billboard advertising at the airport in Lagos and Abuja, Port Harcourt, Kano, Delta, Enugu state, etc. Introduction:           Billboards have long been an effective medium for advertising, capturing the attention of passersby and leaving a lasting impression. In Nigeria, the bustling states of Lagos, Abuja, Kano, and Delta offer prime locations for billboard advertising. … Continue reading Billboard advertising at the airport in Lagos and Abuja, Port Harcourt, Kano, Delta, Enugu state etc.