Lagos Countdown
The first Lagos Countdown was held in 2012 as an attempt to drive up tourism and make an event similar to New Year's events in New York , Sydney , and other major cities , and in 2013 an estimated 200 , 000 people celebrated the event during a ten-day period and earned the city about one billion naira . 
<triplet> Lagos Countdown <subj> 2012 <obj> inception