In the global dialogue about megacities, Asia often steals the limelight with Tokyo, Delhi, Jakarta, and Shanghai shining brightly on the list of the top four. However, the horizon is shifting, and a new contender is poised to redefine the urban landscape. Enter Lagos, currently Africa's largest city, and by 2100, it's projected to be the world's biggest, with a staggering population of over 80 million.