Somehow the cleanest country you'll ever visit also has mountain gorillas just wandering about in the mist.
Fun fact: Rwanda has banned single-use plastic bags since 2008, making it one of the cleanest countries on Earth.
Lagos alone has more people than most European countries, and somehow the whole thing just sort of works.
Fun fact: Nigeria's Nollywood produces around 2,500 films a year, outpacing Hollywood by volume.